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GB/T 14263-2010 Methods for sampling and sample preparation of flotation copper concentrates in bulk (USD) via email in 1-3 business day VALID
GB/T 27680-2011 Copper,lead,zinc and nickel concentrates—Experimental methods for checking the bias of sampling (USD) 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 (USD) via email in 1-5 business day VALID
YS/T 804-2012 Test method for the grinding work index of bauxitic ore (USD) via email in 1-3 business day VALID
GB/T 8063-2017 Designation of cast nonferrous metals and their alloys (USD) 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 (USD) via email in 1-3 business day VALID
GB/T 29773-2013 The technical specification of waste water recycle for copper mineral processing plant (USD) via email in 1-3 business day VALID
YS/T 239.6-2010 Methods for chemical analysis of antimony trisulfide—Part 6:Determination of iron content—Neighbouring phenanthroline spectrophotometric method (USD) via email in 1-3 business day VALID
YS/T 239.3-2010 Methods for chemical analysis of antimony trisulfide—Part 3:Determination of free sulfur content—Burning and sodium hydroxide titration method (USD) 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 (USD) via email in 1-3 business day VALID
YSJ 020-1993 Terminology for extractive metallurgy of heavy non-ferrous metals (USD) via email in 1-8 business day VALID
YS/T 775.4-2011 Methods for chemical analysis of lead anode slime- Part 4:Determination of antimony content -Flame atomic absorption spectrophotometry and cerium sulfate titrimetric method (USD) via email in 1-3 business day VALID
YS/T 239.1-2010 Methods for chemical analysis of antimony trisulfide—Part 1:Determination of arsenic content—Cerium sulfate titration method (USD) via email in 1-3 business day VALID
YS/T 441.4-2014 Management rules of nonferrous metals balance—Part 4:Tin enrichment and metallurgy (USD) 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 (USD) via email in 1-3 business day VALID
GB/T 3254.4-1998 Antimony trioxide--Determination of copper content via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 53.3-2010 Methods for chemical analysis of copper,lead,zinc original and tailing ores—Part 3:Determination of silver content—Flame atomic absorption spectrometry (USD) via email in 1-3 business day VALID
YS/T 745.8-2010 Methods for chemical analysis of copper anode slime—Part 8:Determination of arsenic content—Hydride generation-atomic fluorescence spectrometry method (USD) via email in 1-3 business day VALID
YS/T 775.5-2011 Methods for chemical analysis of lead anode slime- Part 5:Determination of gold and silver content -Fire assay gravimetric method (USD) via email in 1-3 business day VALID
YS/T 745.4-2010 Methods for chemical analysis of copper anode slime—Part 4:Determination of selenium content—Iodine titration method (USD) via email in 1-3 business day VALID
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