Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

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Title Standard No. Implemented On
Stainless steel—Determination of manganse,nickel,chromium,molybdenum,copper and titanium—Handheld energy dispersive X-Ray fluorescence spectrometric method(semiquantitative method)GB/T 36226-20182019-2-1
Steel and iron—Determination of hydrogen content—Thermal conductivity/infrared method after fusion under inert gasGB/T 223.82-20182019-2-1
Iron,steel and alloy—Determination of calcium and magnesium—Inductively coupled plasma mass spectrometric methodGB/T 223.87-20182019-2-1
Stainless steel--Determination of multi-element contents--Glow discharge optical emission spectrometryGB/T 34209-20172018-6-1
Iron and steel--Determination of antimony and tin content--Inductively coupled plasma atomic emission spectrometric methodGB/T 34208-20172018-6-1
Carbon and low-alloy steel―Determination of multi-element contents―Spark discharge atomic emission spectrometric method (routine method)GB/T 4336-2016/XG1-20172017-9-29
Chromium metal―Determination of lead,tin,bismuth,antimony and arsenic content―Inductively coupled plasma mass spectrometric methodGB/T 4702.15-20162017-9-1
Ferrosilicon―Determination of silicon,manganese,aluminium,calcium,chromium and iron contents―Wavelength dispersive X-ray fluorescence spectrometry(fused cast bead method)GB/T 4333.5-20162017-9-1
Chromium metal―Determination of oxygen, nitrogen and hydrogen content―Inert gas fusion thermal infrared detection method and conductivity methodGB/T 4702.17-20162017-9-1
Chromium metal―Determination of iron,aluminium,silicon and coppercontent―Inductively coupled plasma atomic emission spectrometry methodGB/T 4702.6-20162017-9-1
Chromium metal—Determination of chromium content—The ammonium ferrous sulfate titrimetric method GB/T 4702.1-20162017-7-1
Chromiun metal—The determination of phosphorus content—Bismuth phosphate molybdenum blue spectrophotometric method GB/T 4702.3-20162017-7-1
Pig iron contenting nickel - Determination of nickel, cobalt, chromium, copper, phosphorus content - Inductively coupled plasma atomic emission spectrometryGB/T 32794-20162017-7-1
Pig iron contenting nickel―Determination of chromium content―Ammonium per sulfate-ammonium ferrous sulfate titration methodGB/T 32784-20162017-5-1
Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content—Determination of nitrogen content—The distillation-neutralization titration methodGB/T 5687.4-20162017-5-1
Carbon and low-alloy steel―Determination of multi-element contents―Spark discharge atomic emission spectrometric method (routine method)GB/T 4336-20162016-11-1
General rules for spark discharge atomic emission spectrometryGB/T 14203-20162016-11-1
Calcium silicon alloy―Determination of aluminium content―EDTA titrimetric methodYB/T 5314-20162016-9-1
Zinc and aluminum based coatings on steel sheets and strips― Determination of lead and cadmium contents―Inductively coupled plasma mass spectrometric methodGB/T 31927-20152016-6-1
Nickel pig iron―Determination of nickel content―dimethylglyoxime gravimetric methodGB/T 31924-20152016-6-1
Zinc and aluminum based coatings on steel sheets and strips―Determination of lead,cadmium and chromium contens―Glow discharge atomic emission spectrometry methodGB/T 31926-20152016-6-1
Zinc or zinc alloy coating on steel sheets or strips―Determination of hexavalent chromium content―1,5-Diphenylcarbohydrazide(diphenylcarbazide) spectrophotometric methodGB/T 31931-20152016-6-1
Ferrophosphorus. Determination of sulfur content. The combustion-neutralization titration methodYB/T 5342-20152015-10-1
Steel sheets and strips. Analysis of zinc-and alumnium-based metallic coatings. Glow-discharge optical-emission spectrometric methodYB/T 4475-20152015-10-1
Ferrophosphorus. Determination of carbon content. Gas-volumetric methodYB/T 5340-20152015-10-1
Ferrophosphorus. Determination of carbon content. The infrared absorption methodYB/T 5339-20152015-10-1
Ferromolybdenum―Determination of molybdenum content―Lead molybdate gravimetric method,ammonium metavanadate titration method and 8-hydroxyquinoline gravimetric methodGB/T 5059.1-20142015-1-1
Ferromolybdenum―Determination of antimony content―Malachite green spectrophotometric methodGB/T 5059.2-20142015-1-1
Ferromolybdenum―The determination of carbon content―Infrared absorption methodGB/T 5059.7-20142015-1-1
Ferromolybdenum―Determination of silicon content―Sulphuric acid dehydration gravimetric method and molybdenum blue spectrophotometric methodGB/T 5059.5-20142015-1-1
Ferronickel - Determination of Nickel Content - EDTA Titrimetric MethodGB/T 30072-20132014-9-1
Chemical analysis of ferric-containing dust and sludge by XRF―Fused cast bead methodGB/T 29513-20132014-2-1
Steel, iron and alloy - Determination of cobalt content - Flame atomic absorption spectrometric methodGB/T 223.65-20122013-10-1
Evaluation of uncertainty in chemical composition analysis for metallurgical materialsGB/T 28898-20122013-5-1
Coatings of the hot dip galvanizing(zinc-aluminum) sheet – Determination of Pb and Cd contents – Inductively coupled plasma atomic emission spectrometric methodYB/T 4217.3-20102011-3-1
Vanadium pentoxide - - Determination of vanadium pentoxide content - - The ammonium persulfate oxidation titrimetric methodYB/T 4218-20102011-3-1
Coatings of the hot dip galvanizing(zinc-aluminum) sheet – Determination of hexavalent Cr content – Spectrophotometric methodYB/T 4217.1-20102011-3-1
Vanadium pentoxide - Determination of phosphorus content –- The molybdobismuthylphosphoric blue spectrophotometric methodYB/T 4219-20102011-3-1
Vanadium pentoxide —Determination of sodium oxide and potaiumss oxide content—The inductively coupled plasmaatomic emission spectrometryYB/T 4220-20102011-3-1
Coatings of the hot dip galvanizing(zinc-aluminum) sheet – Determination of Hg content – Atomic absorption spectrometric methodYB/T 4217.2-20102011-3-1
Vanadium pentoxid-Determination of sulphur phosphorus arsenic and iron content-The inductively coupled plasma atomic emission spectrometric methodYB/T 4200-20092010-6-1
Vanadium pentoxide-Determination of vanadium pentoxide content-The potassium permanganate oxidation-ammonium ferrous sulfate titrimetric mehtodYB/T 5328-20092010-6-1
Vanadium pentoxid-Determination of sulfur content-The infrared absorption methodYB/T 5333-20092010-6-1
Vanadium pentoxide - Determination of iron content-The flame atomic absorption spectrometric methodYB/T 4199-20092010-6-1
Vanadium pentoxid - Determination of iron content-The ortho-phenanthroline spectrophotome methodYB/T 5330-20092010-6-1
Vanadium pentoxid - Determination of phosphorus content-The extraction molybdenum blue spectrophotometric methodYB/T 5331-20092010-6-1
Vanadium pentoxid-Determination of sodium oxide and potaiumss oxide content-The flame atomic absorption spectrometric methodYB/T 5335-20092010-6-1
Vanadium pentoxide-Determination of silicon content-The molybdenum blue spectrophotometric methodYB/T 5329-20092010-6-1
Vanadium pentoxid - Determination of arsenic content-The AgDDTC spectrophotometric method YB/T 5334-20092010-6-1
Vanadium pentoxid-Determination of sulfur content-The barium sulphate gravimetric methodYB/T 5332-20092010-6-1
Vanadium-Nitrogen alloy—Determination of silicon,manganese,phosphorus,aluminum content—Inductively coupled plasma atomic emission spectrometric methodGB/T 24583.8-20092010-5-1
Vanadium-Nitrogen alloy—Determination of oxygen content—The infrared absorption methodGB/T 24583.7-20092010-5-1
Ferrotitanium—Determination of titanium content—The ammonium ferric sulfate titration methodGB/T 4701.1-20092010-5-1
Steel and iron—Determination of titanium content—Diantipyrylmethane spectrophotometric methodGB/T 223.84-20092010-5-1
Zinc and/or aluminium based coatings on steel—Determination of coating mass per unit area and chemical composition—Gravimetry,inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometryGB/T 24514-20092010-5-1
Vanadium-Nitrogen alloy-Determination of nitrogen content—The distillation-neutralization titration methodGB/T 24583.3-20092010-5-1
Steel and iron—Determination of high sulfur content—Infrared absorption method after combustion in an induction furnaceGB/T 223.83-20092010-5-1
Vanadium—Nitrogen alloy—Determination carbon of content—The infrared absorption methodGB/T 24583.4-20092010-5-1
Steel and iron—Determination of sulfur content—Infrared absorption method after combustion in an induction furnaceGB/T 223.85-20092010-5-1
Cast iron and low alloy steel—Determination of lanthanum, cerium and magnesium content—Inductively coupled plasma atomic emission spectrometric methodGB/T 24520-20092010-5-1
Vanadium-Nitrogen alloy—Determination of vanadium content—The ammonium ferrous sulfate titration methodGB/T 24583.1-20092010-5-1
Vanadium-Nitrogen alloy—Determination of phosphorus content—The bismuth molybdenum blue spectrophotometry methodGB/T 24583.5-20092010-5-1
Vanadium—Nitrogen alloy—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gasGB/T 24583.2-20092010-5-1
Steel and iron—Determination of total carbon content—Infrared absorption method after combustion in an induction furnaceGB/T 223.86-20092010-5-1
Vanadium-Nitrogen alloy—Determination of sulfur content—The infrared absorption methodGB/T 24583.6-20092010-5-1
Ferrovanadium—Determination of manganese content—The potassium periodate oxidation photometric method and flame atomic absorption spectrometric methodGB/T 8704.9-20092010-4-1
General rules for original position statistic distribution analysis methodGB/T 24213-20092010-4-1
Ferrotitanium—Determination of copper content—The DDTC photometric method and the flame atomic absorption spectrometric methodGB/T 4701.3-20092010-4-1
Ferronickel—Determination of nickel silicon phosphorus manganese cobalt chromium and copper contents—Wavelength dispersive X-ray fluorescence spectrometry(Routine method)GB/T 24198-20092010-4-1
Ferrovanadium—Determination of aluminium content—The chromazurol S spectrophotometric method and EDTA titrimetric methodGB/T 8704.8-20092010-4-1
Ferrotitanium—Determination of silicon content—The sulphuric acid dehydration gravimetric methodGB/T 4701.2-20092010-4-1
Cast iron—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (Routine method)GB/T 24234-20092010-4-1
Ferrovanadium—Determination of phosphorus content—The molybdenum blue photometric methodGB/T 8704.7-20092010-4-1
Ferrovanadium—Determination of sulfur content—The infrared absorption method and the combustion-neutralization titration methodGB/T 8704.3-20092010-4-1
Ferrosilicon—Determination of aluminium calcium manganese chromium titanium copper phosphorus and nickel content—Inductively coupled plasma atomic emission spectrometric methodGB/T 24194-20092010-4-1
Ferrotitanium—Determination of phosphorus content—Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometric methodGB/T 4701.7-20092010-4-1
Ferrotitanium—Determination of carbon content—The infrared absorption methodGB/T 4701.8-20092010-4-1
Ferrovanadium—Determination of carbon content—The infrared absorption method and the gasometric methodGB/T 8704.1-20092010-4-1
Low-alloy steel - Determination of multi-element contents - Glow discharge optical emission spectrometry(Routine method)GB/T 22368-20082009-5-1
Stainless steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (Routine method)GB/T 11170-20082009-5-1
Iron, Steel and Alloy - Determination of Chromium Content - Visual Titration or Potentiometric Titration MethodGB/T 223.11-20082009-5-1
Ferromolybdenum - Determination of sulfur content - The infrared absorption method and the combustion-iodate volumetric methodGB/T 5059.9-20082009-5-1
Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric methodGB/T 223.5-20082009-4-1
Ferrotungsten - Determination of arsenic content - The molybdenum blue photometrie method and inductively coupled plasma-atomic emission spectrometry GB/T 7731.6-20082009-4-1
Iron, Steel and Alloy - Determination of Phosphorus Content - Bismuth Phosphomolybdate Blue Spectrophotometric Method and Antimony Phosphomolybdate Blue Spectrophotometric MethodGB/T 223.59-20082009-4-1
Ferrotungsten - Determination of bismuth content - The bismuth iodide photometric method and inductively coupled plasma - atomic emission spectrometryGB/T 7731.9-20082009-4-1
Ferrotungsten - Determination of antimony content - The tetraethylrhodamine photometrie method and inductively coupled plasma-atomic emission spectrometry GB/T 7731.8-20082009-4-1
Ferronickel - Determination of nickel content - The dimethylglyoxime gravimetric methodGB/T 21933.1-20082008-12-1
Nickel ferronickel and nickel alloys - Determination of phosphorus content - Phosphovanoclonolybeate molecular absorption spectrometric methodGB/T 21931.3-20082008-12-1
Nickel ferronickel and nickel alloys - Determination of sulfur content - Infrared absorption method after induction furnace combustionGB/T 21931.2-20082008-12-1
Ferronickel - Determination of silicon content - Gravimetric methodGB/T 21933.2-20082008-12-1
Ferronickel - Determination of cobalt content - Flame atomic absorption spectrometric methodGB/T 21933.3-20082008-12-1
Nickel ferronickel and nickel alloys - Determination of carbon content - Infrared absorption method after induction furnace combustionGB/T 21931.1-20082008-12-1
Nickel and ferronickel - Determination of sulphur content - Barium sulfate gravimctric method after alumina chromatographic separationGB/T 21932-20082008-12-1
Alloyed steel - Determination of manganese content - Potentiometric or visual titration methodGB/T 223.4-20082008-12-1
Iron steel and alloy - Determination of iron contents - O-phenanthroline spectrophotometric methodGB/T 223.70-20082008-11-1
Ferrochromium and silicochromium - Determination of carbon content - Infrared absorption method and gravimetric methodGB/T 4699.4-20082008-11-1
Ferrochromium and silicochromium - Determination of sulfur content - The infrared absorption method and the combustion-titration methodGB/T 4699.6-20082008-11-1
Method for analysis of stainless and alloy steels - X-ray fluorescence spectrometrySN/T 2079-20082008-11-1
Iron steel and alloy - Determination of aluminium content - Chrom azurol S photometric methodGB/T 223.9-20082008-11-1
Ferrotungsten - Determination of lead content - The polarographic method and inductively coupled plasma-atomic emission spectrometryGB/T 7731.14-20082008-11-1
Chromium metal - Determination of aluminium content - EDTA titrimetric method and flame atomic absorption spectrometric methodGB/T 4702.5-20082008-11-1
Ferrotitanium - Determination of sulfur content - Infrared absorption method and combustion-neutralization titration methodGB/T 4701.10-20082008-11-1
Iron steel and alloy - Determination of boron content - Methanol distillation-curcumin photometric methodGB/T 223.75-20082008-11-1
Ferrotungsten - Determination of tin content - Phenylfluorone photometric method and inductively coupled plasma-atomic emission spectrometryGB/T 7731.7-20082008-11-1
Ferroniobium - Determination of copper content - The neocuproine-choroform extraction photometric methodGB/T 3654.2-20082008-11-1
Chromium metal - Determination of sulfur content - Infrared absorption method and combustion-neutralization titration methodGB/T 4702.16-20082008-11-1
Ferroniobium - Determination of sulfur content - Combustion-iodate titrimetric method,methylene blue photometric method and infrared absorption methodGB/T 3654.6-20082008-11-1
Ferrotungsten - Determination of sulfur content - Infrared absorption method and combustion titration methodGB/T 7731.12-20082008-11-1
Iron, Steel and Alloy - Determination of Manganese Content - Flame Atomic Absorption Spectrometric MethodGB/T 223.64-20082008-11-1
Iron, Steel and Alloy - Determination of Sulfur Content - Gravimetric MethodGB/T 223.72-20082008-11-1
Ferromanganese ferromanganese-silicon nitrogen-bearing ferromanganese and manganese metal - Determination of carbon content - The infrared absorption method the gasometric method the GB/T 5686.5-20082008-11-1
Chromium metal - Determination of silicon content - The perchloric acid gravimetric methodGB/T 4702.2-20082008-11-1
Iron, Steel and Alloy-Determination of Nickel Content - The Dimethylglyoxime Spectrophotometric MethodGB/T 223.23-20082008-11-1
Medium and low alloy steel - Determination of the distribution of multi-element contents - Original position statistic distribution analysis methodGB/T 21834-20082008-11-1
Ferromanganese,ferromanganese-silicon nitrogen-bearing ferromanganese and manganese metal - Determination of manganese content - Potentiometric method and titrimetric mothod after ammGB/T 5686.1-20082008-11-1
Iron steel and alloy - Determination of tellurium content - Oscillo-polarographic methodGB/T 223.55-20082008-11-1
Iron, Steel and Alloy - Determination of Sulfur Content - Methylene Blue Spectrophotometric MethodGB/T 223.67-20082008-11-1
Iron, Steel and Alloy - Determination of Molybdenum Content - The Thiocyanate Spectrophotometric MethodGB/T 223.26-20082008-11-1
Ferroniobium - Determination of tianiun content - Chromotropic acid photometric methodGB/T 3654.8-20082008-11-1
Iron steel and alloy - Determination of iron contents - Titanium trichloride-potassium dichromate titration methodGB/T 223.73-20082008-11-1
Ferrotungsten - Determination of copper content - Bis(cyclohexanone)oxalyldihydrazone photometric method and flame atomic absorption spectrometric methodGB/T 7731.3-20082008-11-1
Ferrotitanium - Determination of aluminum content - EDTA titrimetric methodGB/T 4701.6-20082008-11-1
Iron steel and alloy - Determination of arsenic content -Distillation-molybdenum blue spectrophotometric methodGB/T 223.31-20082008-11-1
Ferrochromium and ferrosilicochromium - Determination of chromium content - The ammonium persulfate oxidation titrimetric method and potentiometric titration methodGB/T 4699.2-20082008-11-1
Chromium metal - Determination of iron content - EDTA titrimetric method and flame atomic absorption spectrometric methodGB/T 4702.4-20082008-11-1
Ferrotitanium - Determinatino of manganese content - Arsenite-salt and sodium-salt titrimetric method and periodate photometric methodGB/T 4701.4-20082008-11-1
Iron, Steel and Alloy-Determination of Carbon Contents- Gas-volumetric Method after Combustion in the Pipe FurnaceGB/T 223.69-20082008-11-1
Ferromanganese ferromanganese-silicon itrogen-bearing ferromanganese and manganese metal - Determination of phosphorus content - Molybdenum blue photometric method and alkali content GB/T 5686.4-20082008-11-1
Iron steel and alloy - Determination of lead content - Carrier precipitation-xylenol orange spectrophotometric methodGB/T 223.29-20082008-11-1
Ferroboron - Determination of aluminium content - EDTA titrimetric methodGB/T 3653.4-20082008-11-1
Ferromanganese ferromanganese-silicon nitrogen-bearing ferromanganese and manganese metal - Determination of sulfur content - Infrared absorption method and combustion-neutralization methodGB/T 5686.7-20082008-11-1
Silicon-aluminium alloy and silicon-barium-aluminium alloy-Determination of sulfur content-Infrared absorption methodYB/T 178.7-20082008-9-1
Silicon-aluminium alloy and silicon-barium-aluminium alloy-Determination of carbon content-Infrared absorption methodYB/T 178.6-20082008-9-1
Silicon-calcium alloy - Determination of phosphorus content-Inductively coupled plasma atomic spectrometric methodYB/T 4174.2-20082008-9-1
Silicon-calcium alloy - Determination of aluminum content-Inductively coupled plasma atomic spectrometric methodYB/T 4174.1-20082008-9-1
Ferrochromium silicochromium and nitrogen-bearing ferrochromium—Determination of phosphorus content—Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue sGB/T 4699.3-20072008-4-1
Steel and iron—Determination of hydrogen content—Inert gas impulse fusion heat conductivity methodGB/T 223.82-20072008-2-1
Ferrochromium silicochromium and nitrogen-bearing ferrochromium—Determination of silicon content—The perchloric acid dehydration gravimetric methodGB/T 5687.2-20072008-2-1
Iron steel and alloy—Determination of trace bismuth and arsenic contents—Hydride generation-atomic fluorescence spectrometric methodGB/T 223.80-20072008-2-1
Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric methodGB/T 8704.5-20072008-2-1
Ferrotungsten—Determination of manganese content—The periodate spectrophotometric method and the flame atomic absorption spectrometric methodGB/T 7731.2-20072008-2-1
Ferrosilicon—Determination of aluminium content—The chromazurol S spectrophotometric method the EDTA titrimetric method and the flame atomic absorption spectrometric methodGB/T 4333.4-20072008-2-1
Iron and steel—Determination of multi-element contents—X-ray fluorescence spectrometry(Routine method)GB/T 223.79-20072008-2-1
Ferrovanadium—Determination of silicon content—The sulphuric acid dehydration gravimetric methodGB/T 8704.6-20072008-2-1
Ferromolybdenum—Determination of phosphorus content—Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometrc methodGB/T 5059.6-20072008-2-1
Manganese metal ferromanganese-silicon ferromanganese and nitrogen-bearing ferromanganese—Determination of iron content—The ortho-phenanthrdine spectrophotometric method and the titanium trichloride-potassium dichromate titrimetric methodGB/T 8654.1-20072008-2-1
Iron steel and alloy—Determination of total aluminum and total boron contents—Microwave digestion-inductively coupled plasma mass spectrometric methodGB/T 223.81-20072008-2-1
Iron, Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric MethodGB/T 223.40-20072007-10-1
Methods for chemical analysis of vanadium pentoxide The barium svlphate gravimetric method for the determination of sulphur contentYB/T 5332-20062006-10-11
Methods for chemical analysis of vanadium pentoxide The atomic absorption spectrophotometric method for the determination of sodium oxide and potassium oxide contentsYB/T 5335-20062006-10-11
Methods for chemical analysis of vanadium pentoxide The oscillopolarographic method for the determination of sulphur contentYB/T 5333-20062006-10-11
Methods for chemical analysis of vanadium pentoxide The AgDDTC spectrophotometric method for the determination of arsenic contentYB/T 5334-20062006-10-11
Methods for chemical analysis of vanadium pentoxide The ortho-phenanthroline spectrophotometric method for the determination iron contentYB/T 5330-20062006-10-11
Methods for chemical analysis of ferrophorus The gasometric method for the determination of carbon contentYB/T 5340-20062006-10-11
Methods for chemical analysis of calcium-silicon The EDTA titrimetric method for the determination of calcium contentYB/T 5313-20062006-10-11
Methods for chemical analysis of vanadium pentoxide The molybdenum blue spectrophotometric method for the determination of silicon contentYB/T 5329-20062006-10-11
Methods for chemical analysis of vanadium pentoxide The potassium permanganate oxidation-ammonium ferrous sulfate titrimetric method for the determination of vanadium pentoxide contentYB/T 5328-20062006-10-11
Methods for chemical analysis of ferrophorus The infrared absorption method for the determination of sulfur contentYB/T 5341-20062006-10-11
Methods for chemical analysis of ferrophorus The infrared absorption method for the determination of carbon contentYB/T 5339-20062006-10-11
Methods for chemical analysis of ferrophorus The combustion-neutralization titratin method for the determination of sulfur contentYB/T 5342-20062006-10-11
Methods for chemical analysis of vanadium pentoxide The co-precipitation-extraction molybdenum blue spectrophotometric method for the determination of phosphorus contentYB/T 5331-20062006-10-11
Steel and alloy - Determination of trace element contents Part 10: Determination of selenium content by hydride generation-atomic fluorescence spectrometric methodGB/T 20127.10-20062006-9-1
Steel and alloy - Determination of trace element contents Part 6: Determination of germanium content by gallic acid oscillopolarographic methodGB/T 20127.6-20062006-9-1
Ferrochromium - Determination of manganese content - Flame atomic absorption sspectrometric method GB/T 5687.10-20062006-9-1
Unalloyed steel - Determination of low carbon content - Part 2: Infrared absorption method after combustion in an induction furnace (with preheating)GB/T 20126-20062006-9-1
Steel and alloy - Determination of trace element contents Part 12: Determination of zinc content by flame atomic absorption spectrometric methodGB/T 20127.12-20062006-9-1
Steel and iron—Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method)GB/T 20123-20062006-9-1
Steel and alloy - Determination of trace element contents Part 7: Determination of lead content by oscillopolarographic methodGB/T 20127.7-20062006-9-1
Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric methodGB/T 20125-20062006-9-1
Steel and Iron-Determination of oxygen content - The pulse heating inert gas fusion-infra-red absorption methodGB/T 11261-20062006-9-1
Steel and alloy - Determination of trace element contents Part 11: Determination of indium and thallium content by inductively coupled plasma-mass spectrometric methodGB/T 20127.11-20062006-9-1
Steel and alloy - Determination of trace element contents Part 5: Determination of gallium content by extraction separation-rhodamine B photometric methodGB/T 20127.5-20062006-9-1
Steel and alloy - Determination of trace element contents Part3:Determination of calcium,magnesium,barium content by inductively coupled plasma atomic emission spectrometric methodGB/T 20127.3-20062006-9-1
Steel and alloy - Determination of trace element contents Part 1: Determination of silver content by graphite furnace atomic absorption spectrometric methodGB/T 20127.1-20062006-9-1
Steel and alloy - Determination of trace element contents Part 13: Determination of tin content by iodide extraction-phenylfluorone photometric methodGB/T 20127.13-20062006-9-1
Steel and alloy - Determination of trace element contents Part 8: Determination of antimony content by hydride generation-atomic fluorescence spectrometric methodGB/T 20127.8-20062006-9-1
Ferrochromium—Determination of titanium content—Diantipyrylmethane spectrophotometric methodGB/T 5687.11-20062006-9-1
Steel and alloy - Determination of trace element contents Part 9: Determination of scandium content by inductively coupled plasma atomic emission spectrometric methodGB/T 20127.9-20062006-9-1
Steel and alloy - Determination of trace element contents Part 4: Determination of copper content by graphite furnace atomic absorption spectrometric methodGB/T 20127.4-20062006-9-1
Steel and alloy - Determination of trace element contents Part2: Determination of arsenic content by hydride generation-atomic fluorescence spectrometric methodGB/T 20127.2-20062006-9-1
Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gasGB/T 20124-20062006-9-1
Ferromanganese and blast furnace ferromanganese--Determination of manganese content--Potentiometric method and titrimetric method after ammonium nitrate oxidationGB/T 7730.1-20022003-4-1
Iron powder--Determination of iron content--Potassium dichromate titration methodGB/T 223.7-20022003-2-1
Standard Test Method for Spark Discharge Atomic Emission Spectrometric Analysis of Carbon and Low-Alloy Steel (Routine Method)GB/T 4336-20022003-2-1
Methods for chemical analysis of iron,steel and alloy-The determination of hydrochloric acid-insoluble content of iron powdersGB/T 223.34-20002001-9-1
Methods for Chemical Analysis of Iron, Steel and Alloy - Curcumin Spectrophotometric Method for the Determination of Boron ContentGB/T 223.78-20002001-9-1
Methods for chemical analysis of silicon-aluminium alloy and silicon-barium-aluminium alloy The infrared absorption method for the determination of carbon contentYB/T 178.6-20002000-12-1
Methods for Chemical Analysis of Iron, Steel and Alloy - The N-Benzoy-N-Phenylhydroxylamine Extraction Photometric Method for the Determination of Vanadium ContentGB/T 223.14-20002000-11-1
Methods for chemical analysis of ferrotungsten-The flame atomic absorption spectrometric method for the determination of copper contentGB/T 7731.15-19992000-8-1
Methods for chemical analysis of iron, steel and alloy-The cupferron separation-chrome azurol S photometric method for the determination of aluminium contentGB/T 223.10-20002000-1-1
Methods for chemical analysis of iron, steel and alloy-The chrom azurol S photometric method for the determination of aluminium contentGB/T 223.9-20002000-1-1
Methods for chemical analysis of iron, steel and alloy-The ammonium ferrous sulfate titration method for the determination of vanadium contentGB/T 223.13-20002000-1-1
Methods for chemical analysis of iron, steel and alloy-The sodium fluoride separation-EDTA titration method for the determination of aluminium contentGB/T 223.8-20002000-1-1
Methods for chemical analysis of ferromanganese the determination of phosphorus contentGB/T 7730.3-19971998-5-1
Methods for chemical analysis of chromium metal the ammonium ferrous sulfate-volumetric method for the determination of chromium contentGB/T 4702.1-19971998-5-1
Methods for chemical analysis of iron,steel and alloy The reduced molybdosilicate spectrophotometric method for the determination of acid-soluble silicon contentGB/T 223.5-19971997-9-1
Methods for chemical analysis of iron,steel and alloy The perchloric acid dehydration gravimetric method for the determination of silicon contentGB/T 223.60-19971997-9-1
Methods for Chemical Analysis of Iron, Steel and Alloy - The Potassium Iodate Titration Method after Combustion in the Pipe Furnace for the Determination of Sulfur ContentGB/T 223.68-19971997-9-1
Methods for chemical analysis of iron,steel and alloy The combustion gravimetric/gas-volumetric method for the determination of combined carbon contentGB/T 223.74-19971997-9-1
Methods for Chemical Analysis of Iron, Steel and Alloy the Gravimetric Method after Combustion in the Pipe Furnace for the Determination of Carbon ContentGB/T 223.71-19971997-9-1
Methods for chemical analysis of iron, steel and alloy The chlorophosphonazo mA photometric method for the determination of cerium content after extraction separationGB/T 223.33-19941995-6-1
Methods for chemical analysis of ferrovanadium-The potentiometric method for the determination of vanadium contentGB/T 8704.5-19941995-6-1
Methods for chemical analysis iron,steel and alloy The sulphochlorophenol S photometric method for the determination of niobium contentGB/T 223.39-19941995-6-1
Methods for chemical analysis of ferrovanadium. The sulphuric acid dehydration-gravimetric method for the determination of silicon contentGB/T 8704.6-19941995-6-1
Methods for chemical analysis of ferrosilicon-the EDTA volumetric method for the determination of aluminium contentGB/T 4333.5-19971995-5-1
Methods for chemical analysis of iron, steel and alloy.The dimethylglyoxime gravimetric method for the determination of nickel contentGB/T 223.25-19941994-10-1
Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium Thiosulfate Separation Iodimetric Method for the Determination of Copper ContentGB/T 223.18-19941994-10-1
Methods for chemical analysis of iron steel and alloy.The 5-CL-PADAB spectrophotometric method for the determination of cobalt contentGB/T 223.21-19941994-10-1
Methods for chemical analysis of iron steel and alloy.The Potentiometric titration method for the determination of cobalt contentGB/T 223.20-19941994-10-1
Methods for chemical analysis of iron ,steel and alloy.The nitroso-R-salt spectrophotometric method for the determination of cobalt contentGB/T 223.22-19941994-10-1
Methods for chemical analysis of iron, steel and alloy The flame atomic absorption spectrometric method for the determination of calcium contentGB/T 223.77-19941994-10-1
Methods for chemical analysis of iron, steel and alloy.The extraction seperation-The dimethylglyoxime spectrophotometric method for the determination of nickel content GB/T 223.24-19941994-10-1
Methods for chemical analysis of iron, steel and alloy The flame atomic absorption spectrometric method for the determination of vanadium contentGB/T 223.76-19941994-10-1
Chemical analysis of lump molybdenum oxide The determination of carbon by the coulomb methodYB/T 5042-19931994-1-1
rule for photoelectric emission spectroscopic analysis of iron, steel and alloyGB/T 14203-19931993-10-1
Ferroalloys-Sampling and testing methods for determination of grain sizeGB/T 13247-19911992-7-1
Methods for chemical analysis of iron, steel and alloy - ammonium sulfate oxidation volumetric method for the determination of chromium contentGB/T 223.11-19911992-6-1
Methods for Chemical Analysis of Iron, Steel and Alloy - The Chromotropic Acid Photometric Method for the Determination of Titaninm ContentGB/T 223.16-19911992-6-1
Methods for chemical analysis of iron,steel and alloy--The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium contentGB/T 223.12-19911992-6-1
Methods for chemical analysis of ferrosilicon-The infrared absorption method for the determination of carbon contentGB/T 4333.10-19901991-1-1
Methods for chemical analysis of iron steel and alloy; The D-denzoinoxime gravimetric method for the determination of molybdenum contentGB 223.28-19891990-7-1
Methods for chemical analysis of iron steel and alloy--The combustion potassium iodate volumetric method for the determination of sulfur contentGB/T 223.68-19891990-7-1
Methods for chemical analysis of iron, steel and alloy The flame atomic absorption spectrometric methods for the determination of magnesium contentGB 223.46-19891990-7-1
Methods for chemical analysis of iron steel and alloy; The diantipyrylmethane photometric method for the determination of titanium contentGB 223.17-19891990-7-1
Methods for chemical analysis of iron, steel and alloy The reducing distillation-methylene blue photometric method for the determination of sulfur contentGB 223.67-19891990-7-1
Methods for chemical analysis of iron steel and alloy; The neocuproine-chloroform extraction photometric method for the determination of copper contentGB 223.19-19891990-7-1
Methods for chemical analysis of iron steel and alloy; The thiocyanate direct photometric method for the Determination of molybderum contentGB 223.26-19891990-7-1
Method for photoelectric emission spectroscopic analysis of stainless steelGB 11170-19891990-7-1
Methods for chemical analysis of iron, steel and alloy The thiocyanate-chlorpromazine hydrochloride-chloroform extraction photometric method for the determination of tungsten contentGB 223.66-19891990-7-1
Methods for chemical analysis of iron steel and alloy; The O-Phenanthroline spectrophotometric method for the determination of iron contentGB 223.70-19891990-7-1
Methods for chemical analysis of ferrochromium and silicochromium-The potentiometric titration method for the determination of chromium contentGB 10323-19881990-1-1
Methods for chemical analysis of ferrosilicon-The diphenylcarbazide photometric method for the determi nation of chromium contentGB 4333.6-19881990-1-1
Methods for chemical analysis of ferroboron-The EDTA volumetric method for the determination of aluminium contentGB/T 3653.4-19881990-1-1
Methods for chemical analysis of ferrosilicon-The reduced molybdobismuthylphosphoric acid photometric method for the determination of phosphorus contentGB/T 4333.2-19881990-1-1
Methods for chemical analysis of ferroboron-The perchloric acid dehydration-gravimetric method for the determination of silicon contentGB/T 3653.3-19881990-1-1
Methods for chemical analysis of ferrotungsten-The polarographic method for the determination of lead contentGB 7731.14-19881990-1-1
Methods for chemical analysis of calcium-silicon-The EDTA titrimetric method for the determination of calcium contentGB/T 4700.2-19881990-1-1
Methods for chemical analysis of ferroboron; The alka-limetric method for the determination of boron contentGB/T 3653.1-19881990-1-1
Methods for chemical analysis of ferroboron-The reduced molybdoantimonylphosphoric acid photometric method for the determination of phosphorus contentGB 3653.6-19881990-1-1
Methods for chemical analysis of ferromolybdenum; The infrared absorption method for the determination of sulfur contentGB/T 5059.9-19881989-3-1
Methods for chemical analysis of ferrophosphorus; The infrared absorption method for the determination of carbon contentGB/T 8705.3-19881989-3-1
Methods for chemical analysis of ferrophosphorus; The infrared absorption method for the determination of carbon contentGB/T 8705.1-19881989-3-1
Methods for chemical analysis of silicochromium; The combustion-neutralization titration method for the determination of sulfur contentGB/T 4699.7-19881989-3-1
Methods for chemical analysis of ferrotungsten - The infrared absorption method for the determination of carbon content GB 7731.10-19881989-3-1
Methods for chemical analysis of silicomanganese alloy; The gasometric method for the determination of carbon contentGB/T 5686.6-19881989-3-1
Methods for chemical analysis of ferrophosphorus; The combustion-neutralization titration method for the determination of carbon contentGB/T 8705.4-19881989-3-1
Methods for chemical analysis of ferromolybdenum; The infrared absorption method for the determination of carbon contentGB/T 5059.7-19881989-3-1
Methods for chemical analysis of chromium metal; The infrared absorption method for the determination of carbon contentGB/T 4702.14-19881989-3-1
Methods for chemical analysis of ferrotungsten; The combustion-neutralization titration method for the determination of sulfur contentGB 7731.13-19881989-3-1
Methods for chemical analysis of chromium metal; The combustion-neutralization titration method for the determination of sulfur contentGB/T 4702.17-19881989-3-1
Methods for chemical analysis of iron, steel and alloy; The butyl acetate extraction photometric method for the determination of phosphorus contentGB/T 223.62-19881989-2-1
Methods for chemical analysis of iron, steel and alloy; The diantipyrylmethane phosphomolybdate gravimetric method for the determination of phosphorus contentGB 223.3-19881989-2-1
Methods for chemical analysis of iron, steel and alloy; The flame atomic absorption spectrometric method for the determination of cobalt contentGB/T 223.65-19881989-2-1
Methods for chemical analysis of iron, steel and alloy; The ammonium phosphomolybdate volumetric method for the determination of phosphorus contentGB 223.61-19881989-2-1
Methods for chemical analysis of manganese metal; The diamine hydrochloride-iodo-metric method for the determination of selenium contentGB 8654.6-19881989-2-1
Methods for chemical analysis of iron, steel and alloy; The volumetric method for determination of manganese content by ammonium nitrate oxidationGB 223.4-19881989-2-1
Methods for chemical analysis of iron, steel and alloy; The flame atomic absorption spectrometric method for the determination of manganese contentGB/T 223.64-19881989-2-1
Methods for chemical analysis of iron, steel and alloy; The ammonium phosphomolybdate volumetric method for the determination of phosphorus contentGB/T 223.61-19881989-2-1
Methods for chemical analysis of manganese metal; The titanium trichloride-potassium volumetric method for the determination of iron contentGB 8654.2-19881989-2-1
Methods for Chemical Analysis of Iron, Steel and Alloy - The Butyl Acetate Extraction Photometric Method for the Determination of Phosphorus ContentGB 223.62-19881989-2-1
Methods for chemical analysis of iron, steel and alloy; The sodium(potassium)periodate photometric method for the determination of manganese contentGB 223.63-19881989-2-1
Methods for chemical analysis of iron,steel and alloy; The reduced molybdoantimonyl phosphoric acid photometric method for the determination of phosphorus contentGB 223.59-19871988-3-1
Methods for chemical analysis of ferrotungsten-The sodium periodate photometric method for the determination of manganese contentGB 7731.2-19871988-3-1
Methods for chemical analysis of iron,steel and alloy; The 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol photometric method for the determination of zinc contentGB 223.51-19871988-3-1
Methods for chemical analysis of ferrotungsten-The tetraethylrhodamine photometric method for the determination of antimony contentGB 7731.8-19871988-3-1
Methods for chemical analysis of iron,steel and alloy; The sodium arsenite-sodium nitrite titrimetric method for the determination of manganese contentGB 223.58-19871988-3-1
Methods for chemical analysis of ferrotungsten-The bismuth iodide photometric method for the determination of bismuth contentGB 7731.9-19871988-3-1
Methods for chemical analysis of iron,steel and alloy; The flame atomic absorption spectrophotometric method for the determination of copper contentGB 223.53-19871988-3-1
Methods for chemical analysis of iron,steel and alloy; The sulfhydryl cotton fiber separation-oscillopolarographic method for the determination of tellurium contentGB 223.56-19871988-3-1
Methods for chemical analysis of ferrotungsten-The molybdenum blue photometric method for the determination of phosphorus contentGB 7731.4-19871988-3-1
Methods for chemical analysis of iron,steel and alloy; The extraction-absorption catalytic polarographic method for the determination of cadmium contentGB 223.57-19871988-3-1
Methods for chemical analysis of iron,steel and alloy; The flame atomic absorption spectrophotometric method for the determination of nickel contentGB 223.54-19871988-3-1
Methods for chemical analysis of iron,steel and alloy; The hydroxylamine hydrochloride-iodometric method for the determination of selenium contentGB 223.52-19871988-3-1
Methods for chemical analysis of ferrotungsten-The phenylfluorone photometric method for the determination of tin contentGB 7731.7-19871988-3-1
Methods for chemical analysis of ferromanganese and blast furnace ferromanganese--The potentiometric method for the determination of manganese contentGB/T 7730.1-19871988-3-1
Methods for chemical analysis of ferrotungsten - The molybdenum blue photometric method for the determination of silicon content GB 7731.5-19871988-3-1
Methods for chemical analysis of ferrotungsten-The cinchonine gravimetric method for the determination of tungsten contentGB 7731.1-19871988-3-1
Methods for chemical analysis of ferrotungsten-The molybdenum blue photometric method for the determination of arsenic contentGB 7731.6-19871988-3-1
Methods for chemical analysis of vanadium pentoxide-The AgDDTC spectrophotometric method for the determination of arsenic contentGB/T 7315.7-19871988-1-1
Methods for chemical analysis of ferromolybdenum;The gravimetric method for the determination of silicon contentGB/T 5059.5-19861987-3-1
Methods for chemical analysis of ferromolybdenum;The molybdenum blue photometric method for the determination of phosphorus contentGB/T 5059.6-19861987-3-1
Methods for chemical analysis of ferro-chromium; The neutralization titration method for the determination of nitrogen contentGB/T 5687.4-19851986-10-1
Methods for chemical analysis of ferro-chromium; The gravimetric method for the determination of silicon contentGB/T 5687.2-19851986-10-1
Methods for chemical analysis of ferro-chromium; The molybdenum blue photometric method for the determination of phosphorus contentGB/T 5687.3-19851986-10-1
Methods for chemical analysis of iron,steel and alloy; The semixylenol orange photometric method for the determination of bismuth contentGB 223.48-19851986-6-1
Methods for chemical analysis of iron,steel and alloy; The anion-exchange separation-sulphochlorophenol S photometric method for the determination of niobium contentGB/T 223.40-19851986-6-1
Methods for chemical analysis of iron,steel and alloy; The anion-exchange separation-gravimetric method for the determination of niobium contentGB 223.38-19851986-6-1
Methods for chemical analysis of iron steel and alloy--The sulphochlorophenol S photometric method for the determination of niobium contentGB/T 223.39-19851986-6-1
Methods for chemical analysis of iron,steel and alloy; The anion-exchange separation-pyrogallol photometric method for the determination of tantalum contentGB 223.41-19851986-6-1
Methods for chemical analysis of iron,steel and alloy; The anion-exchange separation-bromopyrogallol red photometric method for the determination of tantalum contentGB 223.42-19851986-6-1
Methods for chemical analysis of chromium metal; The crystal violet spectrophotometric method for the determination of antimony contentGB/T 4702.9-19851986-1-1
Methods for chemical analysis of ferromolybdenum - The 8-hydroxyquinoline gravimetric method for the determination of molybdenum GB 5059.1-19851986-1-1
Methods for chemical analysis of chromium metal; The distillation-molybdenum blue spectrophotometric method for the determination of arsenic contentGB/T 4702.8-19851986-1-1
Methods for chemical analysis of ferrotitanium;The gravimetric method for the determination of silicon contentGB/T 4701.2-19841985-9-1
Methods for chemical analysis of chromium metal;The EDTA volumetric method for the determination of aluminum contentGB/T 4702.6-19841985-9-1
Methods for chemical analysis of ferrotitanium;The 8-hydoxyquinoline volumetric method for the determination of aluminum contentGB/T 4701.6-19841985-9-1
Methods for chemical analysis of ferrotitanium;The periodate photometric method for the determination of manganese contentGB/T 4701.5-19841985-9-1
Methods for chemical analysis of chromium metal;The molybdenum blue photometric method for the determination of phosphorus contentGB/T 4702.3-19841985-9-1
Methods for chemical analysis of chromium metal;The perchloric acid dehydration-gravimetric method for the determination of silicon contentGB/T 4702.2-19841985-9-1
Methods for chemical analysis of chromium metal;The atomic absorption spectrophotometric method for the determination of iron contentGB/T 4702.7-19841985-9-1
Methods for chemical analysis of ferrosilicon;The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur contentGB 4333.7-19841985-3-1
Methods for chemical analysis of iron,steel and alloy;The xylenol orange photometric method for determination of lead content after carrier precipitationGB 223.29-19841985-3-1
Methods for chemical analysis of ferrosilicon;The perchloric acid dehydration-gravimetric method for the determination of silicon contentGB 4333.1-19841985-3-1
Method of sampling steel for determination of chemical composition and permissible variations for product analysisGB 222-19841984-12-7
Methods for chemical analysis of ferroniobium;The paper chromatographic gravimetric method for the determination of niobium and tantalum contentGB 3654.1-19831984-3-1
Methods for chemical analysis of ferroniobium;The EDTA volumetric method for the determination of aluminum contentGB 3654.10-19831984-3-1
Methods for chemical analysis of ferroniobium;The molybdenum blue photometric method for the determination of the phosphorus contentGB 3654.5-19831984-3-1
Methods for chemical analysis of ferroniobium;The thiocyanate photometric method for the determination of tungsten contentGB 3654.9-19831984-3-1
Methods for chemical analysis of ferroboron;The gasometric method for the determination of carbon contentGB 3653.2-19831984-3-1
Methods for chemical analysis of ferroniobium;The methylene blue photometric method for the determination of sulfur contentGB 3654.7-19831984-3-1
Methods for chemical analysis of ferroniobium;The combustion gravimetric method for the determination of carbon contentGB 3654.4-19831984-3-1
Methods for chemical analysis of ferroniobium;The chromotropic acid photometric method for the determination of titanium contentGB 3654.8-19831984-3-1
Methods for chemical analysis of ferroniobium;The gravimetric method for the determination of silicon contentGB 3654.3-19831984-3-1
Methods for chemical analysis of ferroboron;The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur contentGB 3653.5-19831984-3-1
Chemical Analysis of Iron, Steel and Alloy - The Determination of Titanium by Gravimetric MethodGB 223.15-19821983-4-1
Methods for chemical analysis of Steel and alloy - the bronze iron separation - chrome azurol S photometric method for the determination of aluminium contentGB 223.10-19911983-4-1
Determination of iron content in alloy and powderGB/T 223.7-19811982-3-1
Determination of carbon content in iron, steel and alloyGB/T 223.1-19811982-3-1
Determination of sulphur content in iron,steel and alloyGB/T 223.2-19811982-3-1
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