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GB/T 1819.6-2004 Methods for chemical analysis of tin concentrates—Determination of antimony content—The malachite green spectrometric method and the flame atomic absorption spectrometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 240.8-1994 Chemical analysis of bismuth concentrate The iodometric method for determination of arsenic 45 (USD) via email in 1-3 business day ABOLISHED
YB/T 159.4-2015 Titanium concentrate(rock minerals). Determination of phosphorus content. The bismuth phosphomoly bdate blue spectrophotometric method via email in VALID please email coc@codeofchina.com for quotation
YS/T 240.2-1994 C 45 (USD) via email in 1-3 business day ABOLISHED
GB 3258.3-1982 45 (USD) via email in 1-3 business day ABOLISHED
GB/T 1819.3-2004 Methods for chemical analysis of tin concentrates—Determination of iron content—The cerium sulfate titrimetric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 3258.12-1982 60 (USD) via email in 1-3 business day ABOLISHED
YB/T 159.1-1999 Methods for chemical analysis of titanium concentrate(rock minerals)—The ferric ammonium sulfate volumetric method for the determination of titanium dioxide content 60 (USD) via email in 1-3 business day ABOLISHED
GB/T 1819.14-2006 Methods for chemical analysis of tin concentrates―Determination of copper content―Flame atomic absorption spectrometric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 240.11-1994 Chemical analysis of bismuth concentrate The atomic absorption spectrophotometric method for determination of silver 60 (USD) via email in 1-3 business day ABOLISHED
YS/T 240.1-1994 Chemical analysis of bismuth concentrate 30 (USD) via email in 1-3 business day ABOLISHED
GB/T 8152.2-1987 Methods for chemical analysis of lead concentrates; The Na2 EDTA volumetric method for the determination of zinc content 45 (USD) via email in 1-3 business day ABOLISHED
SN 0065.1-1992 Method for determination of moisture content for export Europium-Rich Yttrium-Rich Sm-Eu-Gd oxides—Gravimetric method 60 (USD) via email in 1-3 business day ABOLISHED
GB/T 1822-1979 Determination of copper content in tin concentrates;Biscyclohexanone oxalyl-dihydrazone photometric method 45 (USD) via email in 1-3 business day ABOLISHED
GB/T 1828-1979 Determination of tungsten trioxide content in tin concentrates;Thiocyanate photometric method via email in ABOLISHED please email coc@codeofchina.com for quotation
YB/T 159.5-2015 Titanium concentrate(rock minerals). Determination of sulfur content. The combustion iodometric method via email in VALID please email coc@codeofchina.com for quotation
YS/T 78-1994 via email in VALID please email coc@codeofchina.com for quotation
GB/T 1819.9-2004 Methods for chemical analysis of tin concentrates—Determination of tungsten trioxide content—The thiocyanate spectrophotometric meethod via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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