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GB/T 4372.6-2014 Methods for chemical analysis of zincoxide produced by direct process—Part 6:Testing of metallic zinc 120 (USD) via email in 1-3 business day VALID
YS/T 341.1-2006 Methods for chemical analysis of nickel concentrates—Determination of nickel content—Dimethylglyoxime precipitate separatioin—EDTA titration method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 5121.3-1985 75 (USD) via email in 1-3 business day ABOLISHED
YS/T 227.1-2010 Methods for chemical analysis of tellurium—Part 1:Determination of bismuth content—Hydride generation-atomic fluorescence spectrometry 120 (USD) via email in 1-3 business day VALID
GB 8550.9-1987 60 (USD) via email in 1-3 business day ABOLISHED
GB 6520.14-1986 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 341.3-2006 Methods for chemical analysis of nickel cconcentrates—Determination of magnesia content—Edta-titration method 75 (USD) via email in 1-3 business day VALID
GB/T 8220.2-1998 Methods for chemical analysis of bismuth-Determination of iron content-1,10-Phenanthroline photometric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 36.3-1992 90 (USD) via email in 1-3 business day ABOLISHED
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
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
GB 5122.7-1985 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 239.5-2010 Methods for chemical analysis of antimony trisulfide—Part 5:Determination of arsenic content—Arsenic molybdenum blue spectrophotometric method 120 (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 239.1-1994 Chemical analysis of antimony trisulfide 30 (USD) via email in 1-3 business day ABOLISHED
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 1149.1-2016 Methods for chemical analysis of zinc concentrate roasting—Part 1:Determination of zinc content—Na2EDTA titration method 124 (USD) via email in 1 business day VALID
YS/T 252.1-1994 60 (USD) via email in 1-3 business day ABOLISHED
ZB H 13001.6-1988 via email in ABOLISHED please email coc@codeofchina.com for quotation
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