Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YS/T 775.7-2011 Methods for chemical analysis of lead anode slime- Part 7:Determination of arsenic、copper and selenium content -Inductively coupled plasma atomic emission spectrometery 120.0 via email in 1~3 business day valid
YS/T 3014-2013 Gold-loaded carbon 180.0 via email in 1~3 business day valid
YS/T 775.2-2011 Methods for chemical analysis of lead anode slime- Part 2:Determination of bismuth content -Flame atomic absorption spectrophotometry and Na2EDTA titrimetric method 180.0 via email in 1~3 business day valid
GB/T 30083-2013 Copper, Lead and Zinc Ores and Concentrates - Precision and Bias of Mass Measurement Techniques 600.0 via email in 1~3 business day valid
GB/T 29999-2013 The norms for the integrated treatment of copper mine acidic waste water 140.0 via email in 1~3 business day valid
YS/T 239.4-2010 Methods for chemical analysis of antimony trisulfide - Part 4: Determination of aqua-regia insolubles content - Gravimetric method 90.0 via email in 1~3 business day valid
YS/T 441.5-2014 Management rules of nonferrous metals balance―Part 5:Gold and silver metallurgy 220.0 via email in 1~3 business day valid
GB/T 27674-2011 Copper,lead and ainc sulfide concentrates-Determination of hygroscopic moisture in the analysis sample-Gravimetric method 160.0 via email in 1~3 business day valid
GB/T 14261-2010 Methods for sampling and sample preparation of flotation zinc concentrates in bulk 240.0 via email in 1~3 business day valid
YS/T 745.5-2010 Methods for chemical analysis of copper anode slime - Part 5: Determination of tellurium content - Potassium dichromate titration method 130.0 via email in 1~3 business day valid
GB/T 3254.1-1998 Antimony trioxide―Determination of antimony trioxide content 75.0 via email in 1~3 business day abolished
YS/T 3015.1-2013 Methods for chemical analysis of gold-loaded carbon—Part 1:Determination of moisture content—Desiccation gravimetric method 120.0 via email in 1~3 business day valid
GB/T 8063-2017 Designation of cast nonferrous metals and their alloys 105.0 via email in 1 business day valid
YS/T 441.3-2014 Management rules of nonferrous metals balance—Part 3:Zinc enrichment and metallurgy 310.0 via email in 1~5 business day valid
YS/T 239.7-2010 Methods for chemical analysis of antimony trisulfide - Part 7: Determination of lead content - Flame atomic absorption spectrometric method 90.0 via email in 1~3 business day valid
YS/T 3015.2-2013 Methods for chemical analysis of gold-loaded carbon—Part 2:Determination of copper and iron contents—Flame atomic absorption spectrometry 120.0 via email in 1~3 business day valid
YS/T 775.3-2011 Methods for chemical analysis of lead anode slime- Part 3:Determination of arsenic content -Potassium bromate titrimetric method 120.0 via email in 1~3 business day valid
YS/T 745.9-2012 Methods for Chemical Analysis of Copper Anode Slime - Part 9: Determination of Antimony Content - Flame Atomic Absorption Spectrophotometry Method 120.0 via email in 1~3 business day valid
YS/T 53.1-2010 Methods for chemical analysis of copper,lead,zinc original and tailing ores—Part 1:Determination of gold content—Fire assay-flame atomic absorption spectrometric 150.0 via email in 1~3 business day valid
YS/T 227.5-2010 Methods for chemical analysis of copper anode slime - Part 2: Determination of gold content and silver content - Fire assay gravimetric method 90.0 via email in 1~3 business day valid


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