| Title |
Standard No. |
Implemented On |
| Methods for chemical analysis of aluminium and aluminium alloys—Part 2:Determination of arsenic content | GB/T 20975.2-2018 | 2019-2-1 |
| Methods for chemical analysis of aluminium and aluminium alloys—Part 11:Determination of lead content | GB/T 20975.11-2018 | 2019-2-1 |
| Chemical analysis methods and determination of physical performance of alumina—Part 6:Determination of potassium oxide content | GB/T 6609.6-2018 | 2019-2-1 |
| Chemical analysis methods and determination of physical performance of alumina—Part 19:Determination of lithium oxide content—Flame atomic absorption spectrometry method | GB/T 6609.19-2018 | 2019-2-1 |
| Methods for chemical analysis of aluminium and aluminium alloys—Part 1:Determination of mercury content | GB/T 20975.1-2018 | 2019-2-1 |
| Chemical analysis methods and determination of physical performance of alumina—Part 1:Determination of trace elements content—Inductively coupled plasma atomic emission spectrometry method | GB/T 6609.1-2018 | 2019-2-1 |
| Chemical analysis methods and determination of physical performance of alumina—Part 12:Determination of zinc oxide content—Flame atomic absorption spectrometry method | GB/T 6609.12-2018 | 2019-2-1 |
| Chemical analysis methods for sacrificial anodes of Al-Zn-In system alloy | GB/T 4949-2018 | 2018-12-1 |
| Methods for chemical analysis of industrial silicon - Part 10: Determination of mercury content - Atomic fluorescence spectrometric method | GB/T 14849.10-2016 | 2017-7-1 |
| Chemical analysis methods of industrial silicon - Part 11: Determination of chromium content - Diphenylcarbazide spectrophotometric method | GB/T 14849.11-2016 | 2017-7-1 |
| Chemical analysis method of alumina-Determination of impurities in alumina一 ICP-AES analytical method | YS/T 630-2016 | 2017-1-1 |
| Methods for chemical analysis of silicon metal― Part 9:Determination of titanium content― Diantipyryl methane spectrophotometry | GB/T 14849.9-2015 | 2016-6-1 |
| Optical emission spectrometric analysis method of aluminum and aluminum alloys | GB/T 7999-2015 | 2016-4-1 |
| Determination of carbon content in aluminum electrolyte―IR absorption spectrometry method | YS/T 1035-2015 | 2015-10-1 |
| Methods for chemical analysis industrial gallium―Determination of impurity elements―ICP-MS analytical method | YS/T 473-2015 | 2015-10-1 |
| Test method of optical emission spectrometric analysis of magnesium rare earth alloys | YS/T 1036-2015 | 2015-10-1 |
| Methods for chemical analysis of silicon metal - Part 4:Determination of impurity contents - Inductively coupled plasma atomic emission spectrometric method | GB/T 14849.4-2014 | 2015-8-1 |
| Methods for chemical analysis of silicon metal―Part 5:Determination of impurity contents―X-ray fluorescence method | GB/T 14849.5-2014 | 2015-5-1 |
| Inner grooved aluminum clad copper tube for air conditioner and refrigeration equipment | YS/T 961-2014 | 2015-4-1 |
| Methods for chemical analysis of silicon metal-Part 6:Determination of carbon-Infrared absorption method | GB/T 14849.6-2014 | 2015-3-1 |
| Methods for Chemical Analysis of Aluminium and Aluminium Alloys - Part 26: Determination of Carbon Content Infrared Absorption Method | GB/T 20975.26-2013 | 2014-8-1 |
| Chemical Analysis Methods of Magnesium and Magnesium Alloys - Part 22: Determination of Thorium Content | GB/T 13748.22-2013 | 2014-8-1 |
| Chemical Analysis Methods of Magnesium and Magnesium Alloys - Part 15: Determination of Zinc Content | GB/T 13748.15-2013 | 2014-8-1 |
| Chemical Analysis Methods of Magnesium and Magnesium Alloys - Part 12: Determination of Copper Content | GB/T 13748.12-2013 | 2014-8-1 |
| Chemical Analysis Methods of Magnesium and Magnesium Alloys - Part 14: Determination of Nickel Content - Dimethylglyoxime Trophotometric Method | GB/T 13748.14-2013 | 2014-8-1 |
| Chemical analysis methods of magnesium and magnesium alloys—Part 1:Determination of aluminium content | GB/T 13748.1-2013 | 2014-5-1 |
| Chemical analysis methods of magnesium and magnesium alloys—Part 9:Determination of iron content—Orthopenanthroline spectrophotometric method | GB/T 13748.9-2013 | 2014-5-1 |
| Chemical analysis methods of magnesium and magnesium alloys—Part8:Determination of rare earth content—Gravimetric method | GB/T 13748.8-2013 | 2014-5-1 |
| Chemical analysis methods of magnesium and magnesium alloys—Part 10:Determination of silicon content—Molybdenum blue spectrophotometric method | GB/T 13748.10-2013 | 2014-5-1 |
| Chemical analysis methods of magnesium and magnesium alloys—Part 7:Determination of zirconium content | GB/T 13748.7-2013 | 2014-5-1 |
| Chemical analysis methods of magnesium and magnesium alloys—Part 4:Determination of manganese content—Periodate spectrophotometric method | GB/T 13748.4-2013 | 2014-5-1 |
| Chemical Analysis of 4A-Zeolite - X-ray Fluorescence Spectrometric Method | YS/T 869-2013 | 2013-9-1 |
| Methods for chemical analysis gallium—Determination of mercury in industrial gallium—Atomic fluorescence spectrometer method | YS/T 872-2013 | 2013-9-1 |
| Chemical Analysis Methods of Aluminium Hardeners - Part 7: Determination of Beryllium Content - SCR Spectrophotometric Method | YS/T 807.7-2012 | 2013-3-1 |
| Chemical analysis method for rare earth in aluminium and aluminium alloys-Determination of total rare earth by chemical analysis | YS/T 805-2012 | 2013-3-1 |
| Chemical Analysis Methods of Aluminum Hardeners - Part 3: Determination of Nickel Content - EDTA Titrimetric Method | YS/T 807.3-2012 | 2013-3-1 |
| Chemical Analysis Methods of Aluminum Hardeners - Part 2: Determination of Manganese Content - Potassium Periodate Spectrophotometric Method | YS/T 807.2-2012 | 2013-3-1 |
| Chemical Analysis Methods of Aluminum Hardeners - Part 14: Determination of Strontium Content - EDTA Titrimetric Method | YS/T 807.14-2012 | 2013-3-1 |
| Chemical analysis methods of aluminum hardeners―Part 10:Determination of potassium content ―Flame atomic absorption spectrometric method | YS/T 807.10-2012 | 2013-3-1 |
| Chemical Analysis Methods of Aluminum Hardeners - Part 6: Determination of Boron Content - The Ion Selective Electrode Method | YS/T 807.6-2012 | 2013-3-1 |
| Chemical Analysis Methods of Aluminum Hardeners - Part 4: Determination of Chromium Content - The Ammonium Persulfate Oxidation-ammonium Ferrous Sulfate Titrimetric Method | YS/T 807.4-2012 | 2013-3-1 |
| Chemical Analysis Methods of Aluminum Hardeners - Part 12: Determination of Copper Content - Sulfur and Sodium Titration Method | YS/T 807.12-2012 | 2013-3-1 |
| Chemical Analysis Method for Rare Earth in Aluminium and Aluminium Alloys - Determination of La, Ce, Pr, Nd, Sm Contents X-ray Fluorescence Spectrometric Method | YS/T 806-2012 | 2013-3-1 |
| Chemical Analysis Methods of Aluminium Hardeners - Part 8: Determination of Antimony Content - Potassium Iodide Spectrophotometric Method | YS/T 807.8-2012 | 2013-3-1 |
| Chemical Analysis Methods of Aluminum Hardeners - Part 11: Determination of Sodium Content - Flame Atomic Absorption Spectrometric Method | YS/T 807.11-2012 | 2013-3-1 |
| Chemical Analysis Methods of Aluminum Hardeners - Part 9: Determination of Bismuth Content - The Potassium Iodide Spectrophotometric Method | YS/T 807.9-2012 | 2013-3-1 |
| Chemical Analysis Methods of Aluminum Hardeners - Part 1: Determination of Iron Content - Potassium Bichromate Titrimetric Method | YS/T 807.1-2012 | 2013-3-1 |
| Chemical Analysis Methods of Aluminum Hardeners - Part 5: Determination of Zirconium Content - EDTA Titrimetric Method | YS/T 807.5-2012 | 2013-3-1 |
| Flame atomic absorption spectrometric analysis method of lithium in electrolyte cryolite | YS/T 768-2011 | 2012-7-1 |
| Chemical analysis of slion metal—Part 5:Determination of elements content—Analysis using an X-ray fluorescence method | GB/T 14849.5-2010 | 2011-11-1 |
| Experimental method for flux inclusions and oxide in wrought magnesium alloys | GB/T 26284-2010 | 2011-11-1 |
| Methods for chemical analysis of gallium oxide Determination of impurities Inductively coupled plasma mass spectrometer method | YS/T 742-2010 | 2011-3-1 |
| Determination of cryolite rate and main components of electrolyte—X-ray fluorescence spectrometric analysis method | YS/T 739-2010 | 2011-3-1 |
| Gallium oxide | YS/T 741-2010 | 2011-3-1 |
| Determination of gaseous flouride in purification system for electrolyzed aluminium by alkali-paper sampling and fluorine ion-selective electrode analysis | YS/T 743-2010 | 2011-3-1 |
| Method for determination of caustic alkalinity in wastewater of alumina industry | YS/T 740-2010 | 2011-3-1 |
| Methods for chemical analysis of selenium dioxide—Part 3:Determination of chlorine content—Silver chlorine turbidimetrion method | YS/T 715.3-2009 | 2010-6-1 |
| Analysis methods of aluminum hydroxide for filler conductance - Determination of chrominance | YS/T 705-2009 | 2010-6-1 |
| Methods for chemical analysis of selenium dioxide Part 1: Determination of selenium dioxide content - Sodium thiosulfate titration | YS/T 715.1-2009 | 2010-6-1 |
| Chemical analysis methods of High pure gallium - Part 1: Determination of silicon content - Molybdenum blue spectrophotometry | YS/T 38.1-2009 | 2010-6-1 |
| Methods for chemical analysis of selenium dioxide - Part 5: Determination of water insoluble content - Gravimetric analysis | YS/T 715.5-2009 | 2010-6-1 |
| Analyser of hydrogen in liquid aluminium and aluminium alloys | YS/T 685-2009 | 2010-6-1 |
| Magnesium fluoride | YS/T 691-2009 | 2010-6-1 |
| Methods for chemical analysis of selenium dioxide - Part 4: Determination of burning residue - Gravimetric analysis | YS/T 715.4-2009 | 2010-6-1 |
| Analysis method of hydrogen in liquid aluminium and aluminium alloys the method of the closed gas loop circulation | YS/T 600-2009 | 2010-6-1 |
| Methods for chemical analysis of selenium dioxide—Part 2:Determination of arsenic,cadmium,iron,mercury,lead contents—Inductively coupled plasma-atomic emission spectrometry | YS/T 715.2-2009 | 2010-6-1 |
| Analysis methods of aluminum hydroxide for filler conductance - Determination of electrical conductivity | YS/T 704-2009 | 2010-6-1 |
| Chemical analysis methods of high pure gallium—Part 2:Determination of magnesium titanium chromium manganese nickel cobalt copper zinc cadmium tin lead bismuth content—Inductively coupled plasma mass spectrometry | YS/T 38.2-2009 | 2010-6-1 |
| Chemical analysis methods and determination of physical performance of aluminium hydroxide - Part 2: Determination of loss of mass at 300℃ and 1000℃ | GB/T 6609.2-2009 | 2010-2-1 |
| Chemical analysis methods and determination of physical performance of alumina - Part 30: X-ray fluorescence spectrometric method for the determination centent of trace elements | GB/T 6609.30-2009 | 2010-2-1 |
| Chemical analysis methods and determination of physical performance of alumina - Part 37: Determination of the particles size content less then 20μm | GB/T 6609.37-2009 | 2010-2-1 |
| Chemical analysis methods and determination of physical performance of alumina - Part 34: Method of calculating alumina content | GB/T 6609.34-2009 | 2010-2-1 |
| Chemical analysis methods and determination of physical performance of alumina - Part 36: Determination of flow time | GB/T 6609.36-2009 | 2010-2-1 |
| Chemical analysis methods and determination of physical performance of alumina - Part 35: Determination of specific surface area by nitrogen adsorption | GB/T 6609.35-2009 | 2010-2-1 |
| Chemical analysis methods of magnesium and magnesium alloys - Part 21 : Determination of elements by photoelectric direct reading atomic emission spectrometry | GB/T 13748.21-2009 | 2010-2-1 |
| Chemical analysis methods and determination of physical performance of alumina - Part 31: Determination of angle of flow | GB/T 6609.31-2009 | 2010-2-1 |
| Chemical analysis methods and determination of physical performance of alumina - Part 32: Determination of a-alumina content by X-ray diffraction | GB/T 6609.32-2009 | 2010-2-1 |
| Chemical analysis methods and determination of physical performance of alumina - Part 33: Determination of attrition index | GB/T 6609.33-2009 | 2010-2-1 |
| Chemical analysis methods of magnesium and magnesium alloys - Part 20: Determination of elements by inductively coupled plasma atomic emission spectrometry | GB/T 13748.20-2009 | 2010-2-1 |
| Chemical analysis methods and determination of physical performance of alumina - Part 27: Partical size analysis - Method using electriformed sieves | GB/T 6609.27-2009 | 2010-2-1 |
| Method for analysis of calcium metal - Part 3: Direct determination of iron，nickel，copper，manganese and magnesium in calcium metal by atomic absorptiom spectrophotometry | GB/T 10267.3-2008 | 2009-4-1 |
| Chemical analysis of magnesium fluoride - Part 2: Determination of moisture content - Gravimetric method | GB/T 21994.2-2008 | 2008-12-1 |
| Chemical analysis of magnesium fluoride - Part 3: Determination of fluoride content - Distillation-thorium nitrate titration volumetric method | GB/T 21994.3-2008 | 2008-12-1 |
| Chemical analysis of magnesium fluoride - Part 1: Preparation and storage of test samples | GB/T 21994.1-2008 | 2008-12-1 |
| Chemical analysis of magnesium fluoride - Part 7: Determination of iron content - Orthophenantholine photometric method | GB/T 21994.7-2008 | 2008-12-1 |
| Chemical analysis of magnesium fluoride - Part 5: Determiantion of calcium content - Method of flame atomic absorption spectrometry | GB/T 21994.5-2008 | 2008-12-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 25:Inductively coupled plasma atomic emission spectrometric method | GB/T 20975.25-2008 | 2008-12-1 |
| Chemical analysis of magnesium fluoride - Part 6: Determination of silica content - Molybdenum blue photometric method | GB/T 21994.6-2008 | 2008-12-1 |
| Chemical analysis of magnesium fluoride - Part 4: Determination of magnesium - EDTA volumetric method | GB/T 21994.4-2008 | 2008-12-1 |
| Chemical analysis of magnesium fluoride - Part 8: Determination of sulphate content - Barium sulphate gravimetric method | GB/T 21994.8-2008 | 2008-12-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 11：Determination of lead content Flame atomic absorption spectrometric method | GB/T 20975.11-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 20：Determination of gallium content Butyrhodamine B spectrophotometric method | GB/T 20975.20-2008 | 2008-9-1 |
| Chemical analysis emthods of gallium for industrial use - Determination of impurity elements - Inductively coupled plasma atomic emission spectrometric method | YS/T 666-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 16：Determination of magnesium | GB/T 20975.16-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 24：Determination of total rare earth contents | GB/T 20975.24-2008 | 2008-9-1 |
| Chemical analysis methods of high purity aluminum Part 8: Determination of indium content by extraction-crystal violet photometric method | YS/T 244.8-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 19：Determination of zirconium content | GB/T 20975.19-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 3：Determination of copper content | GB/T 20975.3-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 22：Determination of beryllium content SCR spectrophotometric method | GB/T 20975.22-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 5：Determination of silicon content | GB/T 20975.5-2008 | 2008-9-1 |
| Chemical analysis methods of high purity aluminum Part 4: Determination of gallium content by butylrhodamine B photometric method | YS/T 244.4-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 13：Determination of vanadium content N-benzoyl-Nphenylhydroxylamine spectrophotometric method | GB/T 20975.13-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 23：Determination of antimony content Potassium iodide spectrophotometric method | GB/T 20975.23-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 6：Determination of cadmium content Flame atomic absorption spectrometric method | GB/T 20975.6-2008 | 2008-9-1 |
| Chemical analysis methods of high purity aluminum Part 2:Determination of silicon content by extraction-molybdenum blue photometric method | YS/T 244.2-2008 | 2008-9-1 |
| Chemical analysis methods of high purity aluminum Part 7:Determination of cadmium content by extraction-dithizone photometric method | YS/T 244.7-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 12：Determination of titanium content | GB/T 20975.12-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 9：Determination of lithium content Flame atomic absorption spectrometric method | GB/T 20975.9-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 15：Determination of boron content | GB/T 20975.15-2008 | 2008-9-1 |
| Chemical analysis methods of high purity aluminum Part 9: Determination of trace impurities in high pruity aluminumby inductively coupled mass spectrometry | YS/T 244.9-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 8：Determination of zinc content | GB/T 20975.8-2008 | 2008-9-1 |
| Chemical analysis methods of high purity aluminum Part 6:Determination of silver content by calalyze reaction system of manganese-persulfric acid method | YS/T 244.6-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 14：Determination of nickel content | GB/T 20975.14-2008 | 2008-9-1 |
| Chemical analysis methods of high purity aluminum Part 3: Determination of titanium content by diantipyrylmethane-thiocyanate photometric method | YS/T 244.3-2008 | 2008-9-1 |
| Chemical analysis methods of high purity aluminum Part 1: Determination of iron content by 1 10-phenanthroline-thiocyanate photometric method | YS/T 244.1-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 21：Determination of calcium content Flame atomic absorption spectrometric method | GB/T 20975.21-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 18：Determination of chromium content | GB/T 20975.18-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 7：Determination of manganese content Potassium periodate spectrophotometric method | GB/T 20975.7-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 4：Determination of iron content Orthopenanthroline photometric method | GB/T 20975.4-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 17： Determination of strontium content Flame atomic absorption spectrometric method | GB/T 20975.17-2008 | 2008-9-1 |
| Methods for chemical analysis of aluminium and aluminium alloys - Part 10：Determination of tin content | GB/T 20975.10-2008 | 2008-9-1 |
| Chemical analysis methods of aluminium hydroxide Part 3: Determination of silicon dioxide content Molybdenum blue photometric method | YS/T 534.3-2007 | 2008-5-1 |
| Chemical analysis methods of aluminium hydroxide Part 4: Determination of iron oxide content Orthophenanthroline photometric method | YS/T 534.4-2007 | 2008-5-1 |
| Chemical analysis methods of aluminium hydroxide Part 2: Determination of the loss of mass at 1100℃ Gravimetric method | YS/T 534.2-2007 | 2008-5-1 |
| Chemical analysis methods of aluminium hydroxide Part 5: Determination of sodium oxide content | YS/T 534.5-2007 | 2008-5-1 |
| Chemical analysis methods of aluminium hydroxide Part 1: Determination of moisture Gravimetric method | YS/T 534.1-2007 | 2008-5-1 |
| Methods for chemical analysis of silicon metal—Part 3:Determination of calcium content | GB/T 14849.3-2007 | 2008-4-1 |
| Methods for chemical analysis of silicon metal—Part 2:Determination of aluminum content—Chrome azurol S spectrophotometric method | GB/T 14849.2-2007 | 2008-4-1 |
| Methods for chemical analysis of silicon metal—Part 1:Determination of iron content—1 10-Phenanthrolion spectrophotometric method | GB/T 14849.1-2007 | 2008-4-1 |
| Chemical analaysis methods of aluminium and aluminium alloys—Part 2:Determination of arsenic content—Molybdenum blue spectrophotometric method | GB/T 20975.2-2007 | 2007-11-1 |
| Chemical analysis methods of aluminium and aluminium alloys—Part 1:Determination of mercury content—Cold atomic absorption spectrometric method | GB/T 20975.1-2007 | 2007-11-1 |
| Optical emission spectrometric analysis method of aluminum and aluminum alloys | GB/T 7999-2007 | 2007-11-1 |
| Cemented carbide rolls for high-speed wire rods | YS/T 61-2007 | 2007-10-1 |
| Fluorspar―Determination of total sulfur content―The iodometric method after combustion | GB/T 5195.5-2006 | 2007-1-1 |
| Fluorspar - Determination of loss in mass at 105℃ - Gravimetric method | GB/T 5195.3-2006 | 2007-1-1 |
| Fluorspar―Determination of phosphorus content | GB/T 5195.6-2006 | 2007-1-1 |
| Fluorspar―Determination of sulfide content―Iodometric method | GB/T 5195.4-2006 | 2007-1-1 |
| Fluorspar―Determination of silicon dioxide content | GB/T 5195.8-2006 | 2007-1-1 |
| Fluorspar - Determination of calcium fluoride content | GB/T 5195.1-2006 | 2007-1-1 |
| Fluorspar―Determination of carbonate content | GB/T 5195.2-2006 | 2007-1-1 |
| Chemical analysis methods of aluminium hydroxide -- Determination of moisture --Gravimetric method | YS/T 534.1-2006 | 2006-10-11 |
| Chemical analysis methods of magnesium and magnesium alloys — Determination of are earth content — Gravimetric method | GB/T 13748.8-2005 | 2006-1-1 |
| Chemical analysis methods of magnesium and magnesium alloys — Determination of iron content — Orthopenanthroline spectrophotometric method | GB/T 13748.9-2005 | 2006-1-1 |
| Chemical analysis methodsof magnesium and magnesium alloys — Determination of titanium content — Diantipyrylmehane spectrophotometric method | GB/T 13748.19-2005 | 2006-1-1 |
| Chemical analysis methods of magnesium and magnesium alloys — Determination of silver content — Determination of silver content — Flame atommic absorption spectrophotometric method | GB/T 13748.6-2005 | 2006-1-1 |
| Chemical analysis methods of magnesium and magnesium alloys — Determination of calcium content — Flame atomic absorption spectrometric method | GB/T 13748.16-2005 | 2006-1-1 |
| Chemical analysis methods of magnesium and magnesium alloys — Determination of lithium content — Flame atomic absorption spectrometric method | GB/T 13748.3-2005 | 2006-1-1 |
| Chemical analysis methods of magnesium and magnesium alloys — Determination of manganese content — Periodate spectrophotometric method | GB/T 13748.4-2005 | 2006-1-1 |
| Chemical analysis methods of magnesium ang m agnesium alloys — Determination of kalium content and natrium content — Flame atomic absorption spectrophotometric method | GB/T 13748.17-2005 | 2006-1-1 |
| Chemical analysis methods of magnesium and magnesium alloys — Determination of beryllium content — Solochrome cyanine R spectrophotometric method | GB/T 13748.11-2005 | 2006-1-1 |
| Chemical analysis methods of magnesium and magnesium alloys — Determination of aluminium content | GB/T 13748.1-2005 | 2006-1-1 |
| Chemical analysis methods of magnesium and magnesium alloys — Determination of zirconium content — Xylenol oragne spectrophotometric method | GB/T 13748.7-2005 | 2006-1-1 |
| Chemical analysis methods of magnesium and magnesium alloys — Determination of tin content — Pyrocatechol violet spectrophotometric method | GB/T 13748.2-2005 | 2006-1-1 |
| Chemical analysis methods of magnesium and magnesium alloys — Determination of yttrium content — Inductively coupled plasma atomic emission spectrometric method | GB/T 13748.5-2005 | 2006-1-1 |
| Magnesium and its alloys － Determination of zinc content － Flame atomic absorption spectrometric method | GB/T 13748.10-2005 | 2006-1-1 |
| Chemical analysis methods of magnesium and magnesium alloys — Determination of chlorine content — Silver chlorine turbidimetric method | GB/T 13748.18-2005 | 2006-1-1 |
| Chemical analysis methods of magnesium and magnesium alloys — Determination of lead content — Flame atomic absorption spectrophotometric method | GB/T 13748.13-2005 | 2006-1-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 1: Determination of sodium fluoride content in sodium fluoride oxidation solution by EDTA volumetric method | HB/Z 5107.1-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 3: Determination of potassium bichromate content in aluminum potassium sulfate oxidation solution by potentiometric method | HB/Z 5107.3-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 16: Determination of potassium bichromite content in nitric acid oxidation solution by potentiometric method | HB/Z 5107.16-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 8: Determination of ammonia sulfate content in glacial acetic acid oxidation solution by barium sulfate gravimetric method | HB/Z 5107.8-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 17: Determination of nitric acid content in nitric acid oxidation solution by potentiometric method | HB/Z 5107.17-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 12: Determination of potassium bichromate content in potassium bichromate and magnesium sulfate oxidation solution by potentiometric method | HB/Z 5107.12-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 7: Determination of glacial acetic acid content in glacial acetic acid oxidation solution by potentiometric method | HB/Z 5107.7-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 14: Determination of ammonia sulfate content in potassium bichromate and magnesium sulfate oxidation by potentiometric method | HB/Z 5107.14-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 13: Determination of potassium bichromate、sodium bichromate content by ferrous titrimetric method | HB/Z 5107.13-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 11: Determination of sodium bichromate content in sodium bichromate and magnesium sulfate oxidation solution by potentiometric method | HB/Z 5107.11-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 9: Determination of chlorine content in glacial acetic acid oxidation solution by potentiometric method | HB/Z 5107.9-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 5: Determination of glacial acetic acid content in aluminum potassium sulfate oxidation solution by potentiometric method | HB/Z 5107.5-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 10: Continual determination of manganese sulfate and magnesium sulfate content in sodium bichromate and magnesium sulfate oxidatioin solution by EDTA volumetric method | HB/Z 5107.10-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 15: Continual determination of manganese sulfate and magnesium sulfate content in potassium bichromate and magnesium sulfate oxidation solution by EDTA volumetric method | HB/Z 5107.15-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 6: Determination of potassium bichromate content in glacial acetic acid oxidation solution by potentiometric method | HB/Z 5107.6-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 4: Determination of aluminum potassium sulfate content in aluminum potassium sulfate oxidation solution by EDTA volumetric method | HB/Z 5107.4-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 2: Determination of sodium fluoride content in sodium fluoride oxidation solution by depositive titrimetric method | HB/Z 5107.2-2004 | 2004-12-1 |
| Methods for analysis of chemical oxidation solution for magnesium alloy -- Part 18: Determination of ammonium chloride (sodium chloride) content in nitric acid oxidation solution by potentiometric method | HB/Z 5107.18-2004 | 2004-12-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of the loss of mass at 1100°C-Gravimetric method | GB/T 6609.2-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of fluorine content-Lanthanum-alizarincomplexone spectrophotometric method | GB/T 6609.14-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Particle size analysis-Sieving method | GB/T 6609.27-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of vanadic oxide content-N-benzoy I-N-phenylhydroxylamine extraction photometric method | GB/T 6609.10-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of absolute density-Pycnometer method | GB/T 6609.26-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of magnesia content-Flame atomic absorption spectrophotometric method | GB/T 6609.20-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of sulfate content-N,N-dimethy I-P-pheny lenediamine spectrophotometric method | GB/T 6609.18-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Sampling | GB/T 6609.22-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Preparation and storage of test samples | GB/T 6609.23-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of chromium sesquioxide content-Diphenyl carbazide photometric method | GB/T 6609.8-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of untamped density | GB/T 6609.25-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of calcium oxide content-Flame atomic absorption spectrophotometric method | GB/T 6609.13-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of chlorine content-Ferric thiocyanate photometric method | GB/T 6609.15-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of lithia content-Flame atomic absorption spectrophotometric method | GB/T 6609.19-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of sodium oxide content | GB/T 6609.5-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of an absorption index | GB/T 6609.29-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of potassium oxide content-Flame photometric method | GB/T 6609.6-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of the fine particle size distribution(less than 60μm)-Method using electroformed sieves | GB/T 6609.28-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of titanium dioxide content-Diantiprylmehane photometric method | GB/T 6609.7-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of phosphorus pentoxide content-Molybdenum blue spectrophotometric method | GB/T 6609.17-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of ferric oxide content-Orthophenanthroline photometric method | GB/T 6609.4-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of boron trioxide content-Curcumin spectrophotometric method | GB/T 6609.16-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of zinc oxide content-Flame atomic absorption spectrophotometric method | GB/T 6609.12-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of gallium trioxide content-Butyrhodamine B spectrophotometric method | GB/T 6609.21-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Measurement of the angle of repose | GB/T 6609.24-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of manganous oxide content-Flame atomic absorption spectrophotometric method | GB/T 6609.11-2004 | 2004-7-1 |
| Chemical analysis methods and Determination of physical performance of alumina Determination of cupric oxide content-2,9-Dimethyl-1,10phenanthroline photometric method | GB/T 6609.9-2004 | 2004-7-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Chromium Content by Diphenylcarbazide Photometric Method | HB 5297.7-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of yttrium Content by Cupferron,Cupron Separation - Chlorophosphonazo iii Spectrophotometric Method | HB 5297.21-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Copper Content by Bis Cyclohexanone Oxalyldihydrazone Spectrophotometric Method | HB 5297.12-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Zirconium Content by EDTA Volumetric Method | HB 5297.16-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Boron Content by Extraction-methylene blue-1, 2 dichloroethane Spectrophotometric Method | HB 5297.19-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Molybdenum Content by Thiocyanate Spectrophotometric Method | HB 5297.8-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Molybdenum Content by D-denzoinoxime Gravimetric Method | HB 5297.9-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Zirconium Content by Mandelic Acid Gravimetric Method | HB 5297.15-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Zirconium Content by Arsenazo iii Photometric Method | HB 5297.17-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Carbon Content by High Frequency Induction Heating-infrared Absorption Method | HB 5297.22-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Vanadium Content by N-benzoy-N-phenylhydroxylamine Extraction Photometric Method | HB 5297.5-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Oxygen and Nitrogen Content by Pulse Heating-infrared Thermal Conductance Method | HB 5297.24-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Nitrogen Content by Water Vapor Distillation Method | HB 5297.25-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Ferric Content by Phenanthroline Photometric Method | HB 5297.14-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Copper Content by DDTC Spectrophotometric Method | HB 5297.11-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Manganese Content by Potassium periodate Spectrophtometric Method | HB 5297.13-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Hydrogen Content by Pulse Heating-thermal Conductance Method | HB 5297.23-2001 | 2002-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Cerium Content by Chlorophosphonazo III Spectrophotometric Method | HB 5297.20-2001 | 2002-2-1 |
| Aluminium and aluminium alloys-Determination of copper content-Phenyl fluorone spectrophotometric method | GB/T 6987.10-2001 | 2001-12-1 |
| Aluminium and aluminium alloys-Determination of copper content-Flame atomic absorption spectrometric method | GB/T 6987.11-2001 | 2001-12-1 |
| Methods for chemical analysis of high purity aluminum The extraction-molybdenum blue photometric method for the determination of silicon content | YS/T 244.2-1994 | 2001-5-1 |
| Methods for chemical analysis of high purity aluminum The 1.10-phenanthroline-thiocyanate photometric method for the determination of iron content | YS/T 244.1-1994 | 2001-5-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Aluminum Content by Alkali Seperation-EDTA Volumetric Method | HB 5297.3-2001 | 2001-2-1 |
| Methods for Chemical Analysis of Titanium Alloys - Determination of Tin Content by Potassium Iodate Volumetric Method | HB 5297.10-2001 | 2001-2-1 |
| STANDARD method for direct reading spectrometric analysis of aluminum and its alloys | GB/T 7999-2000 | 2000-1-2 |
| Analysis Method for Aluminum Alloy Insulation Anodizing Solution - Determination of Aluminum Content with EDTA Volumetric Method | HB/Z 338.2-1999 | 1999-7-1 |
| Analysis Method for Aluminum Alloy Sulphide Acid Anodizing Solution Determination of Free and Combined Sulfuric Acid Content Through Potentiometric Titration | HB/Z 5104.1-1999 | 1999-7-1 |
| Analysis Method for Aluminum Alloy Chemical Conversion Solution (Alodine) - Determination of Alodine Content Through Oxidation Reduction Titration | HB/Z 337-1999 | 1999-7-1 |
| Analysis Method for Aluminum Alloy Chromic Acid Anodic Oxidation Solution - Determination of Free Chromium Trioxide and Total Chromium Trioxide Content Through Potentiometric Titration | HB/Z 339.1-1999 | 1999-7-1 |
| Analysis Method for Aluminum Alloy Sulphide Acid Anodizing Solution - Determination of Aluminum Content Through Potentiometric Titration | HB/Z 5104.2-1999 | 1999-7-1 |
| Analysis Method for Aluminum Alloy Isolation Anodic Oxidation Solution - Determination of Oxalic Acid Content Through Oxidation Reduction Titration | HB/Z 338.1-1999 | 1999-7-1 |
| Analysis Method for Aluminum Alloy Chromic Acid Anodizing Solution - Determination of Chloridion Content Through Potentiometric Titration | HB/Z 339.2-1999 | 1999-7-1 |
| Analysis Method for Aluminum Alloy Chromic Acid Anodizing Solution - the Determination of Sulfate Radical | HB/Z 339.3-1999 | 1999-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Nickel Content with Dimethylglyoxime Extraction Spectrophotometric Method | HB 5219.10-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Tri-n-octyl Amine Extraction - Determination of Zinc Content with EDTA Volumetric Method | HB 5219.12-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Cerium Content with Tribromo Arsenazo Spectrophotometric Method | HB 5219.19-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Copper Content with Neocuproine Spectrophotometric Method | HB 5219.2-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Aluminium Content with EDTA Volumetric Method | HB 5219.16-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Iron Content with Phenanthroline Spectrophotometric Method | HB 5219.4-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy- Determination of Zirconium Content with EDTA Volumetric Method | HB 5219.14-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Manganese Content (Including Zirconium and Rare Earth) with Potassium Periodate Spectrophotometric Method | HB 5219.6-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Beryllium Content with Eriochrome Cyanine R Spectrophotometric Method | HB 5219.21-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Aluminium Content with Chromazurine S Spectrophotometric Method | HB 5219.17-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy- Determination of Dissolved Zirconium Content with Quercetin Spectrophotometric Method | HB 5219.15-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Copper Content with Atomical Absorption Spectrometry Method | HB 5219.3-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy- Determination of Nickel Content Through Atomical Absorption Spectrometry | HB 5219.11-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Manganese Content with Atomical Absorption Spectrometry Method | HB 5219.8-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy- Determination of Manganese Content (Excluding Zirconium and Rare Earth) with Potassium Periodate Spectrophotometric Method | HB 5219.7-1998 | 1998-7-1 |
| Methods for Chemical Analysis Ofmagnesium Alloy - Determination of Zinc Content Through Atomical Absorption Spectrometry | HB 5219.13-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Silicon Content with Silicomolybdenum Blue Spectrophotometric Method | HB 5219.9-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Iron Content with Atomical Absorption Spectrometry Method | HB 5219.5-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Silver Content with Atomical Absorption Spectrometry Method | HB 5219.20-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Copper Content with BCO Spectrophotometric Method | HB 5219.1-1998 | 1998-7-1 |
| Methods for Chemical Analysis of Magnesium Alloy - Determination of Rare Earth Total Content with Oxalate Gravimetric Method | HB 5219.18-1998 | 1998-7-1 |
| Methods for chemical analysis of high purity aluminum The butylrhodamine B photometric method for the determination of gallium content | YS/T 244.4-1994 | 1996-6-1 |
| Methods for chemical analysis of high purity aluminum The diantipyrylmethane-thiocyanate photometric method for the determination for titanium content | YS/T 244.3-1994 | 1996-6-1 |
| Calcined a-alumina | YS/T 89-1995 | 1995-12-1 |
| Anodizing of aluminium and its alloys.Assessment of sealing quality by measurement of the loss of mass after immersion in acid solution | GB/T 14952.2-1994 | 1994-6-1 |
| Anodizing of aluminium and its alloys.Assessment of quality of sealed anodic oxide coatings | GB/T 14952.1-1994 | 1994-6-1 |
| Anodizing of aluminium and its alloys.Testing method for anodic oxide coating | GB/T 14952.3-1994 | 1994-6-1 |
| Method for the determination of chloride in calcine magnesite for export | SN/T 0254-1993 | 1994-5-1 |
| Magnesium and its alloys-Determination of beryllium content-Solochrome cyanine R Spectrophotometric method | GB/T 13748.7-1992 | 1993-6-1 |
| Method for analysis of calcium metal-The direct determination of iron,nickel,copper,manganese and magnesium in calcium metal by atomic absorption spectrometry | GB/T 10267.3-1988 | 1989-10-1 |
| Methods for chemical analysis of aluminium oxide--The molybdenum blue photometric method for the determination of phosphorus pentoxide content | GB/T 6609.17-1986 | 1987-7-1 |
| Methods for the chemical analysis of aluminium oxide--The N-benzoyl-N-phenylhydroxylamine extraction photometric method for the determination of vanadic oxide content | GB/T 6609.10-1986 | 1987-7-1 |
| Methods for chemical analysis of aluminium oxide--The orthophenanthroline photometric method for the determination of ferric oxide content | GB/T 6609.4-1986 | 1987-7-1 |
| Methods for chemical analysis of aluminium oxide--The gravimetric method for the determination of loss content on ignition | GB/T 6609.2-1986 | 1987-7-1 |
| Methods for chemical analysis of aluminium oxide--The flame photometric method for the determination of sodium oxide content | GB/T 6609.5-1986 | 1987-7-1 |
| Methods for the chemical analysis of aluminium oxide--The atomic absorption spectrophotometric method for the determination of manganous oxide content | GB/T 6609.11-1986 | 1987-7-1 |
| Methods for chemical analysis of aluminium oxide--The atomic absorption spectrophotometric method for the determination of zinc oxide content | GB/T 6609.12-1986 | 1987-7-1 |
| Methods for chemical analysis of aluminium oxide--The trioctylphosphine oxide-thiocyanate photometric method for the determination of titanium dioxide content | GB/T 6609.7-1986 | 1987-7-1 |
| Methods for chemical analysis of aluminium oxide--The flame photometric method for the determination of potassiumoxide content | GB/T 6609.6-1986 | 1987-7-1 |
| Methods for chemical analysis of aluminium oxide--The curcumin photometric method for the determination of boron trioxide content | GB/T 6609.16-1986 | 1987-7-1 |
| Methods for chemical analysis of aluminium oxide--The N,N-dimethyl-P-phenylenediamine photometric method for the determination of sulfate content | GB/T 6609.18-1986 | 1987-7-1 |
| Methods for chemical analysis of fluor-spar; The molybdenum blue-rhodamine B photometric method for the determination of phosphorus content | GB/T 5195.7-1985 | 1986-3-1 |
| Methods for chemical analysis of fluor-spar; The EDTA volumetric method for the determination of calcium fluoride content | GB/T 5195.1-1985 | 1986-3-1 |
| Methods for chemical analysis of fluor-spar; The gravimetric method for the determination of silicon dioxide content | GB/T 5195.9-1985 | 1986-3-1 |
| Methods for chemical analysis of fluor-spar; The EDTA volumetric method for the determination of carbonate content | GB/T 5195.2-1985 | 1986-3-1 |
| Methods for chemical analysis of fluor-spar; The combustion-potassium iodate volumetric method for the determination of total sulphur content | GB/T 5195.5-1985 | 1986-3-1 |
| Methods for chemical analysis of fluor-spar; The iodometric method for the determination of sulphide content | GB/T 5195.4-1985 | 1986-3-1 |
