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

LoginRegister

Title Standard No. Implemented On
Methods for chemical analysis of sodium fluoride. The turbidimetric method for the determination of soluble sulphates contentYS/T 535.5-2006
Methods for chemical analysis of bauxite. Preparation of pre-dried test samplesYS/T 575.20-2006
Hydraulic BreakersYS/T 55-1992
Antimony concentrates. Determination of lead contentYS/T 556.3-2006
Methods for chemical analysis of Crude Cobalt hydroxide—Part 4:Determination of manganese content—Potentiometric titration methodYS/T 1157.4-2016
Methods for chemical analysis of high-titanium slag and rutile The diphenylcarbazide photometric method for the determination of chromium sesquioxide contentYS/T 514.10-2006
Methods for chemical analysis of gallium. The N2O-C2H2 falme atomic absorption spectrophotometric method for the determination of calcium contentYS/T 520.5-2006
Lithium ribbonYS/T 246-1994
Methods for chemical analysis of gallium. The chromazurol S-tetradecyl pyridine bromide photometric method for the determination of aluminum contentYS/T 520.3-2006
Methods for chemical analysis of bauxite. Determination of calcium oxide content. Flame atomic absorption spectrophotometric methodYS/T 575.7-2006
Brass ingots for castingYS/T 544-2006
Methods for chemical analysis of gallium. The phenylfluorone-polyethylene glycol octyl phenyl ether photometric method for the determination of germanium contentYS/T 520.9-2006
Methods for chemical analysis of gallium. The 4-(2-pyridylazo)-resorcinol photometric method for the determination of lead contentYS/T 520.2-2006
High-pure tantalum pentoxideYS/T 547-2006
Industry titanium foils for magnetic headsYS/T 410-1998
Methods for chemical analysis of cadmium. The atomic absorption spectrophotometric method for the determination of silver contentYS/T 74.10-1994
Anode carbon for aluminium electrolysisYS/T 285-1998
Copper-beryllium alloy rodYS/T 334-1995
Cobalt - Determination of sulfur content - Oscillopolarographic method after distillationYS/T 281.13-1994
Methods for chemical analysis of sqodumenite and lepidolite concentrates The grayimetric-molybdenum blue photometric method for the determination of silicon dioxide contentYS/T 509.3-2006
Methods for chemical analysis of bismuth -- Determination of chlorine content -- Distillation-mercuric thiocyanate photometric methodYS/T 536.8-2006
Aluminium and aluminium alloy sheets of nonheat-treatable strengthening dradesYS/T 213-1994
Aluminium alloy sheets of heat-treatable strengthening dradesYS/T 212-1994
Methods for chemical analysis of bismuth-Determination of tin content -- Coprecipitation with beryllium-photometric methodYS/T 536.10-2006
Methods for chemical analysis of bismuth -- Determination of copper content -- Bis-acetaldehyde-oxalydihydrazone photometric methodYS/T 536.1-2006
Methods for chemical analysis of regenerated zinc material-Part 9:Determination of cadmium content-The atomic absorption spectrometric methodYS/T 1171.9-2017
Inner grooved copper tubeYS/T 440-2001
Aluminium and aluminium-alloy roll-casting stripYS/T 90-2002
Chemical analysis of zirconium powder for electro-vacuum uses The molybdenum blue photometric method for determination of siliconYS/T 574.3-2006
Molybdenum concentrates. Determination of calcium contentYS/T 555.7-2006
Methods for chemical analysis of sqodumenite and lepidolite concentrates The o-phenanthroline photometric method for the determination of ferric oxide contentYS/T 509.6-2006
Methods for chemical analysis of cadmium. The dimethylglyoxime photometric method for the determination of nickel contentYS/T 74.3-1994
Methods for chemical analysis of sodium fluoride The gravimetric method for the determination of water-insoluble matterYS/T 535.8-2006
Methods for chemical analysis of bismuth -- Determination of silver content -- Flame atomic absorption spectrophotometric methodYS/T 536.4-2006
Methods for chemical analysis of bismuth -- Determination of zinc content --Solid-liquid extraction-flame atomic absorption spectrophotometric methodYS/T 536.5-2006
Methods for chemical analysis of sqodumenite and lepidolite concentrates The chromazurol S and cetyltrimethyl ammonium bromide photometric method for the determination of beryllium oxide contentYS/T 509.8-2006
Antimony concentrates. Determination of mercury contentYS/T 556.7-2006
Bronze ingots for castingYS/T 545-2006
Methods for chemical analysis of gallium. The ethyl violet photometric method for the determination of indium contentYS/T 520.8-2006
Methods for chemical analysis of bismuth. Determination of silver and cadmium content. Electrothermal atomic absorption spectrometric methodYS/T 536.13-2006
General cathode carbon brick for aluminum electrolysisYS/T 286-1999
Chemical analysis of zirconium powder for electro-vacuum uses The combustion-gravimetric method for the determination of hydrogen contentYS/T 574.8-2006
Molybdenum concentrates. Determination of copper and lead contentYS/T 555.6-2006
Molybdenum concentrates. Determination of molybdenum contentYS/T 555.1-2006
Methods for chemical analysis of sodium fluoride The distillation-nitric thorium volumetric method for the determination of fluorine contentYS/T 535.2-2006
Antimony concentrates. Determination of selenium contentYS/T 556.6-2006
Methods for chemical analysis of high-titanium slag and rutile The direct combustion-iodimetric method for the deter-mination of sulfur contentYS/T 514.5-2006
Molybdenum concentrates. Determination of rhenium contentYS/T 555.11-2006
Aluminium and aluminium alloy sheets of nonheat-reeatable strenging grades in large dimensionsYS/T 215-1994
Methods for chemical analysis of sqodumenite and lepidolite concentrates The EDTA volumetric method for the determination of ferric oxide contentYS/T 509.5-2006
Molybdenum concentrates. Determination of oil and moisture contentYS/T 555.12-2006
Chemical analysis of zirconium powder for electro-vacuum uses The methylene blue photometric method for determination of sulphurYS/T 574.7-2006
Chemical analysis of zirconium powder for electro-vacuum uses The chrome azurol S photometric method for determination of aluminiumYS/T 574.6-2006
Chemical analysis methods of aluminium hydroxide. Determination of sodium oxide contentYS/T 534.5-2006
Methods for chemical analysis of copper magnetite - Part 9: Determination of metallic iron content - Sulfosalicylic acid photometric methodYS/T 1047.9-2015
Method for chemical analysis of tungsten-molybdenum alloy The EDTA volumetric method for the determination of molybdenum contentYS/T 508-2006
Methods for emission spectrum analysis of tungstenYS/T 559-2006
Nuclear-grade boron carbide powderYS/T 250-1994
Molybdenum concentrates. Determination of tungsten contentYS/T 555.8-2006
High purity aluminumYS/T 275-2000
Aluminium-magnesium alloy powder for welding electrodeYS/T 98-1997
Methods for chemical analysis of bismuth -- Determination of nickel content -- Electrothermal atomic absorption spectrometric methodYS/T 536.12-2006
Chemical analysis of zirconium powder for electro-vacuum uses The molybdenum blue photometric method for determination of phosphorusYS/T 574.4-2006
Methods for chemical analysis of blister copper -- Determination of arsenic contentYS/T 521.2-2006
Methods for chemical analysis of sodium fluoride The gravimetric method for the determination of moisture contentYS/T 535.1-2006
Methods for chemical analysis of sodium fluoride The neutral titration for the determination of acidityYS/T 535.7-2006
Technical requirements of commercial purity beryllium oxide powderYS/T 572-2006
Methods for chemical analysis of sodium fluoride The molybdenum blue photometric method for the determination of silica contentYS/T 535.3-2006
Lead concentrateYS/T 319-1997
Anode paste for aluminium electrolysisYS/T 284-1998
Sample preparation and storage of sodium fluorideYS/T 535.10-2006
Methods for chemical analysis of blister copper -- Determination of Lead, Bismuth and Antimony contentsYS/T 521.4-2006
High-pure niobium pentoxideYS/T 548-2006
High purity lithium carbonateYS/T 546-2006
Methods for chemical analysis of gallium. The 4, 7-diphenyl-1, 10-phenanthroline photometric method for the determination of iron contentYS/T 520.4-2006
Pyrite concentrateYS/T 337-1998
Methods for chemical analysis of sqodumenite and lepidolite concentrates The atomic absorption spectrophotometric method for determination of rubidium oxide and caesium oxide contentsYS/T 509.2-2006
Molybdenum concentrates. Determination of phosphorus contentYS/T 555.5-2006
Technique code for retrofitting soderberg cell into prebaked anode cell in aluminium smeltersYS 5034-2000
Methods for chemical analysis of bismuth. Determination of arsenic content. Ion exchange separation-hydride generation-falme atomic absorption spectrophotometric methodYS/T 536.7-2006
Chemical analysis methods of aluminium hydroxide. Determination of silicon dioxide content. Molybdenum blue photometric methodYS/T 534.3-2006
Methods for chemical analysis of blister copper -- Determination of gold and silver contentsYS/T 521.3-2006
Methods for chemical analysis of sqodumenite and lepidolite concentrates The atomic absorption spectrophotometric method for the determination of calcium oxide and magnesium oxide contentsYS/T 509.9-2006
Molybdenum concentrates. Determination of bismuth contentYS/T 555.9-2006
Methods for chemical analysis of bauxite. Determination of titanium dioxide content. Diantipyrylmethane photometric methodYS/T 575.6-2006
Molybdenum concentrates. Determination of arsenic contentYS/T 555.3-2006
Shovel LoadersYS/T 54-1992
Methods for chemical analysis of bismuth -- Determination of iron content -- 1, 10-phenanthroline photometric methodYS/T 536.2-2006
Copper master alloy ingotsYS/T 283-1994
Methods for chemical analysis of gallium. The molybdenum blue photometric method for the determination of silicon contentYS/T 520.7-2006
Methods for chemical analysis of gallium. The salicylfluorone cetylrimethylammonium bromide photometric method for the determination of tin contentYS/T 520.6-2006
Methods for chemical analysis of sodium fluoride The 1, 10-phenanthroline spectrophotometric method for the determination of iron contentYS/T 535.4-2006
Methods for chemical analysis of sqodumenite and lepidolite concentrates The molybdenum blue photometric method for the determination of phosphorus pent oxide contentYS/T 509.7-2006
Nuclear-grade boron carbide pelletsYS/T 251-1994
Antimony concentrates. Determination of sulfur contentYS/T 556.8-2006
Methods for chemical analysis of bauxite. Determination of potassium oxide and sodium oxide content. Flame atomic absorption spectrophotometric methodYS/T 575.9-2006
Chemical analysis of zirconium powder for electro-vacuum uses The Sulfosalicylic acid photometric method for determination of ironYS/T 574.2-2006
Molybdenum concentrates. Determination of tin contentYS/T 555.4-2006
Antimony concentrates. Determination of gold contentYS/T 556.9-2006
Composition and property requirements for metal injection molding materials YS/T 1269-2018
Methods for chemical analysis of sodium fluoride The gravimetric method for the determination of carbonate contentYS/T 535.6-2006
Chemical analysis of antimony trisulfide Gravimetric method for determination of hydrochloric acid insolublesYS/T 239.5-1994
Methods for chemical analysis of bismuth -- Determination of mercury content -- Cold vapour atomic absorption spectrometric methodYS/T 536.11-2006
Antimony concentrates. Determination of zinc contentYS/T 556.5-2006
Bronze wireYS/T 571-2006
Ground brass rodsYS/T 551-2006
Hard metal (carbide) for rock drilling toolsYS/T 296-1994
Molybdenum concentrates. Determination of potassium and sodium contentYS/T 555.10-2006
Terminology for mineral processing of non-ferrous metalsYS/T 5028-1996
Methods for chemical analysis of bismuth -- Determination of antimony content -- Melachite green photometric methodYS/T 536.3-2006
Methods for chemical analysis of sodium fluoride The turbidimetric method for the determination of chloride contentYS/T 535.9-2006
Aluminium foil for cableYS/T 430-2000
Molybdenum concentrates. Determination of silicon oxide contentYS/T 555.2-2006
Methods for chemical analysis of bismuth. Determination of lead content -- Electrothermal atomic absorption spectrometric methodYS/T 536.6-2006
Methods for chemical analysis of bismuth -- Determination of tellurium content -- Coprecipitation with arsenic-oscillopolarographic methodYS/T 536.9-2006
Bimetal stripsYS/T 566-2006
Code for design of land reclamation project of bauxite minesYS 5029-1996
Methods for chemical analysis of sqodumenite and lepidolite concentrates The EDTA volumetric method for the determination of aluminum oxide contentYS/T 509.4-2006
Brass bars for forging plumbing fittingsYS/T 583-2016
Methods for chemical analysis of bauxite. Determination of silicon dioxide content. Gravimetric-molybdenum blue photometric methodYS/T 575.2-2006
Methods for chemical analysis of bauxite. Determination of magnesium oxide content. Flame atomic absorption spectrophotometric methodYS/T 575.8-2006
Zinc Oxide enrichment for zinc smelting YS/T 1343-20192020-1-1
Sheets and bands of precious metals and their alloys YS/T 201-20182019-4-1
Determination of fluorine content on the surface of zirconium alloy tube-Spectrophotometry YS/T 1259-20182019-4-1
Nonferrous metal materials-Melting and crystallization temperatures-Thermal analysis YS/T 1258-20182019-4-1
Dihydrogen hexahydroxy platinate YS/T 1282-20182019-4-1
Tetraamminepalladium(Ⅱ)sulfate YS/T 1280-20182019-4-1
Extruded tube of copper and copper alloys YS/T 662-20182019-4-1
Brazed cemented carbide inserts for cutting tool YS/T 79-20182019-4-1
Graphitized cathode carbon block for aluminium electrolysis YS/T 699-20182019-4-1
Methods for chemical analysis of lithium nickel cobalt aluminum oxide- Part 3:Determination of lithium content- Flame atomic absorption spectrometric method YS/T 1263.3-20182019-4-1
Methods for chemical analysis of high purity zinc- Part 1:Determination of magnesium,aluminum,cobalt,iron,nickel,copper,arsenic,silver,cadium,indium,tin,lead,bismuth contents- Inductively coupled plasma-mass spectrum method YS/T 1288.1-20182019-4-1
Methods for chemical analysis of high pure germanium dioxide- Determination of silicon content by molybdenum blue spectrophotomertic method YS/T 37.2-20182019-4-1
1,1'-bis ( diphenylphosphino) ferrocene palladium dichloride dichloromethane complex YS/T 1284-20182019-4-1
Methods for chemical analysis of high purity zinc- Part 3:Determination of arsenic content-Hydride generation-atomic fluorescence spectrometry YS/T 1288.3-20182019-4-1
Method for chemical analysis of high purity cadium- Determination of magnesium,aluminum,calium,chromium,iron nickel,copper,zinc,silver,tin,antimony,lead,bismuth contents- Inductively coupled plasma-mass spectrum method YS/T 1287-20182019-4-1
Yttria stabillized zirconia powders YS/T 1270-20182019-4-1
Methods for chemical analysis of high pure germanium dioxide- Determination of arsenic content by graphite furnace atomic absorption spectrometric method YS/T 37.3-20182019-4-1
Methods for chemical analysis of vanadium-Part 6:Determination of silico content-Molybdenum blue spectrophotometry YS/T 540.6-20182019-4-1
Cemented carbide composite substrate YS/T 1271-20182019-4-1
Method for chemical analysis of titanium sponge,titanium and titanium alloys-Determination of multielement content-Inductively coupled plasma atomic emission spectrometry YS/T 1262-20182019-4-1
Nonferrous metal materials -Enthalpies of fusion and crystallization testing-Differential scanning calorimetry YS/T 1257-20182019-4-1
Crude zinc YS/T 1286-20182019-4-1
Fe-Ni-AI alloy composite plates for railway traffic YS/T 1273-20182019-4-1
Methods for chemical analysis of high pure germanium dioxide- Determination of magnesium,aluminum,cobalt,nickel,copper,zinc indium,lead,calcium,iron and arensic content by inductively coupled plasma mass spectrometric method YS/T 37.4-20182019-4-1
Zirconium and zirconium alloy tubes-Method of tensile testing for ring specimen YS/T 1260-20182019-4-1
Bis(2,4-pentanedionato) platinum(Ⅱ) YS/T 1275-20182019-4-1
Sintered CuAI intermetallic c ound flexible film YS/T 1267-20182019-4-1
Potassium hexachloroplatinate(Ⅳ) YS/T 1283-20182019-4-1
Methods for chemical analysis of vanadium-Patr3:Determination of carbon content-High frequency combustion infrared absorption method YS/T 540.3-20182019-4-1
Tris(2,4-pentanedionato)ruthenium(Ⅲ) YS/T 1277-20182019-4-1
Methods for chemical analysis of high pure germanium dioxide- Determination of iron content by graphite furnace atomic absorption spectrometric method YS/T 37.5-20182019-4-1
Methods for chemical analysis of high purity zinc- Part 4:Determination of trace impurity elements content- Glow discharge mass spectrometry YS/T 1288.4-20182019-4-1
Preparation method of metallographic samples for precious metals and their alloys YS/T 370-20182019-4-1
Method for chemical analysis of hafnium-Determination of impurity element contents-Inductively coupled plasma atomic emission spectrometry YS/T 1261-20182019-4-1
Tris(2,4-pentanedionato) iridium YS/T 1278-20182019-4-1
Brass tube for sanitary ware YS/T 635-20182019-4-1
Bis(2,4-pentanedionato)palladium(j1) YS/T 1274-20182019-4-1
Diammine diiodoplatinum YS/T 1279-20182019-4-1
Methods for chemical analysis of lithium nickel cobalt aluminum oxide- Part 4:Determination of aluminum,iron,calcium magnesium,copper,zinc,silicon,sodium,manganese contents- Inductively coupled plasma atomic emission spectrometry YS/T 1263.4-20182019-4-1
Methods for chemical analysis of vanadium-Part 5:Determination of impurity contents-Inductively coupled plasma atomic emission spectrometry YS/T 540.5-20182019-4-1
Methods for chemical analysis of vanadium- Part 4:Determination of iron content- 1,10-phenanthroline spectrophotometry YS/T 540.4-20182019-4-1
Methods for chemical analysis of vanadium-Patr 2:Determination of chromium content-Diphenylcarbazide spectrophtometry YS/T 540.2-20182019-4-1
Tris (2,4-pentanedionato)rhodium(Ⅲ) YS/T 1276-20182019-4-1
Methods for chemical analysis of vanadium-Part 7:Determination of oxygen content-Inetr ga fusion-infrared method YS/T 540.7-20182019-4-1
Methods for chemical analysis of lithium nickel cobalt aluminum oxide- Part 2:Determination of cobalt content-Potentiometric titration YS/T 1263.2-20182019-4-1
Extruded rod and bar of copper and copper alloys YS/T 649-20182019-4-1
Chromium copper and zirconium copper rod and bar for electrode material YS/T 584-20182019-4-1
FeAI intermetallic compound porous membrane material YS/T 1272-20182019-4-1
Determination of silane content in tail gas of polycrystalline silicon production-Gas chromatographic method YS/T 1290-20182019-4-1
Methods for chemical analysis of vanadium- Part 1:Determination of vanadium content- Potassium permanganate-ammonium ferrous sulfate titration YS/T 540.1-20182019-4-1
Rare earth zirconate powders YS/T 1265-20182019-4-1
Ethylenediamine sulfate palladium YS/T 1281-20182019-4-1
Methods for chemical analysis of lithium nickel cobalt aluminum oxide-Part 1:Determination of nickel content-Dimethylglyoxime gravimetric method YS/T 1263.1-20182019-4-1
About Us   |    Contact Us   |    Terms of Service   |    Privacy   |    Cancellation & Refund Policy   |    Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 Email: coc@codeofchina.com | Send me a messageQQ: 672269886
Copyright: Codeofchina Inc 2008-2020