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YS/T 536.9-2006 Methods for chemical analysis of bismuth -- Determination of tellurium content -- Coprecipitation with arsenic-oscillopolarographic method 90 (USD) via email in 1-3 business day ABOLISHED
YS/T 239.6-2010 Methods for chemical analysis of antimony trisulfide—Part 6:Determination of iron content—Neighbouring phenanthroline spectrophotometric method 120 (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 180 (USD) via email in 1-3 business day VALID
GB/T 3260.8-2013 Methods for chemical analysis of tin—Part 8:Determination of zinc content—Flame atomic absorption spectrometric method 120 (USD) via email in 1-3 business day VALID
YS/T 349.2-2010 Methods for chemical analysis of cobalt sulfide concentrate—Part 2:Determination of copper content—Flame atomic absorption spectrometry 120 (USD) via email in 1-3 business day VALID
GB/T 4103.1-1983 Methods for chemical analysis of lead-base alloys--The iodimetric titration method for the determination of tin content 30 (USD) via email in 1-3 business day ABOLISHED
GB/T 3884.5-2012 Methods for chemical analysis of copper concentrates - Part 5: Determination of fluoride content - Ion selective electrode method 120 (USD) via email in 1-3 business day VALID
GB 5122.17-1985 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 252.4-2007 Methods for chemical analysis of nickel matte-Determination of cobalt content-Sodium thiosulphate titrimetric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 3884.10-2012 Methods for chemical analysis of copper concentrstes - Part 10: Determination of Antimony content - Hydride generation atomic fluorescence spectrometry method 120 (USD) via email in 1-3 business day VALID
YS/T 716.2-2009 Methods for chemical analysis of low grade blister—Part 2:The determination of gold and silver contents—Fire assaying method 120 (USD) via email in 1-3 business day VALID
GB 8550.18-1987 60 (USD) via email in 1-3 business day ABOLISHED
YS/T 536.5-2009 Methods for chemical analysis of bismuth—Determination of zinc content—Solid-liquid extraction-flame atomic absorption spectrophotometric method 120 (USD) via email in 1-3 business day VALID
YS/T 276.6-2011 Methods for chemical analysis of indiumPart 6:Determination of copper,cadmium and zinc content-Flame atomic absorption spectrometry 180 (USD) via email in 1-3 business day VALID
YS/T 281.5-1994 Cobalt -- Determination of phosphorus content -- Molybdenum blue spectrophotometric method 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 1157.3-2016 Methods for chemical analysis of crude cobalt hydroxide—Part 3:Determination of calcium and magnesium contents—Flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry 165 (USD) via email in 1 business day VALID
GB 5121.5-1985 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 281.2-2011 Mehtods for chemical analysis of cobalt--Part 2:Determination of aluminum content--Chromeszurol S spectrophotometry 120 (USD) via email in 1-3 business day VALID
YS/T 870-2013 Chemical analysis of high purity aluminium—Determination of trace impurities—Inductively coupled plasma mass spectrometry 180 (USD) via email in 1-3 business day VALID
YS/T 349.3-2010 Methods for chemical analysis of cobalt sulfide concentrate—Part 3:Determination of manganese content—Flame atomic absorption spectrometry 120 (USD) via email in 1-3 business day VALID
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