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YS/T 536.10-2009 Methods for chemical analysis of bismuth—Determination of tin content—Coprecipitation with beryllium-photometric method 120 (USD) via email in 1-3 business day VALID
YSJ 402-1989 750 (USD) via email in 1-5 business day VALID
YS/T 281.17-2011 Methods for chemical analysis of cobalt- Part 17:Determination of aluminum,manganese nickel copper zinc,cadmium tin arsenic antimony lead and bismuth content-Inductively coupled plasma mass spectrometery 120 (USD) via email in 1-3 business day VALID
YS/T 226.3-2009 Methods for chemical analysis of selenium Part 3:Determination of aluminum content-Chrome azurol S-Cetyl trimethyl ammonium bromide absorption photometric method 120 (USD) via email in 1-3 business day VALID
YS/T 715.5-2009 Methods for chemical analysis of selenium dioxide—Part 5:Determination of water insoluble content— Gravimetric analysis 120 (USD) via email in 1-3 business day VALID
YS/T 534.4-2007 Chemical analysis methods of aluminium hydroxide Part 4:Determination of iron oxide content Orthophenanthroline photometric method 90 (USD) via email in 1-3 business day VALID
YS/T 1026-2015 Tungsten heavy alloy pellets for metal injection molding 180 (USD) via email in 1-3 business day VALID
YS/T 536.7-2006 Methods for chemical analysis of bismuth -- Determination of arsenic content -- Ion exchange separation-hydride generation-falme atomic absorption spectrophotometric method 105 (USD) via email in 1-3 business day ABOLISHED
YS/T 520.9-2006 Methods for chemical analysis of gallium The phenylfluorone-polyethylene glycol octyl phenyl ether photometric method for the determination of germanium content 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 239.1-1994 Chemical analysis of antimony trisulfide 30 (USD) via email in 1-3 business day ABOLISHED
YS/T 426.1-2000 Method for chemical analysis of antimony-beryllium pellets—Determination of beryllium content—Potassium fluoride titrimetric methods 60 (USD) via email in 1-3 business day VALID
YS/T 281.19-2011 Methods for chemical analysis of cobalt- Part 19:Determination of calcium magnesium manganese iron cadmium zinc content-Inductively coupled plasma atomic emission spectrometery 180 (USD) via email in 1-3 business day VALID
YS/T 1149.7-2016 Methods for chemical analysis of zinc concentrate roasting—Part 7:Determination of silicon dioxide content—Molybdenum blue spectrophotometry 124 (USD) via email in 1 business day VALID
YS/T 938.1-2013 Chemical analysis methods of gold alloys and palladium alloys for dental ceramic restoration—Part 1:Determination of gold content—Gravimetry by sodium nitrite reduction 120 (USD) via email in 1-3 business day VALID
YS/T 366-2006 Test method for thermoelectricity force of precious and their alloys pair up with copper via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 301-2007 Cobalt Concentrates via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 563-2009 Methods for chemical analysis of precious metals alloys-platinum-palladium-rhodium alloys-Determination of palladium and rhodium content-Diacetyldioxime gravimetriy tin(Ⅱ) chloride spectrophotometry 120 (USD) via email in 1-3 business day VALID
YS/T 556.13-2011 Methods for chemical analysis of antimony concentrates Part 13:Determination of nickel content -Flame atomic absorption spectrometric method 120 (USD) via email in 1-3 business day VALID
YS/T 38.1-2009 Chemical analysis methods of High pure gallium-Part 1: Determination of silicon content-Molybdenum blue spectrophotometry 120 (USD) via email in 1-3 business day VALID
YS/T 520.4-2006 Methods for chemical analysis of gallium The 4 7-diphenyl-1 10-phenanthroline photometric method for the determination of iron content 45 (USD) via email in 1-3 business day ABOLISHED
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