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YS/T 575.5-2006 Methods for chemical analysis of bauxite -- Determination of iron oxide content -- Orthophenanthroline photometric method (USD) via email in 1-3 business day ABOLISHED
DZ/T 0314-2018 Green Mine Construction Specification of Gold Industry via email in VALID please email coc@codeofchina.com for quotation
GB/T 14949.1-1994 Manganese ores- Determination of chromium content (USD) via email in 1-3 business day VALID
YS/T 318-2007 Copper concentrate (USD) via email in 1-3 business day VALID
DZ/T 0279.21-2016 Analysis Methods for Regional Geochemical Sample-Part 21:Determination of Fluorinc Content by Ion Selective Electrode via email in VALID please email coc@codeofchina.com for quotation
GB/T 15925-2010 Method for chemical analysis of antimony ores—Determination of antimony content (USD) via email in 1-3 business day VALID
GB/T 8152.1-1987 Methods for chemical analysis of lead concentrates; The Na2 EDTA volumetric method for the determination of lead content (USD) via email in 1-3 business day ABOLISHED
GB/T 6150.4-1985 Methods for chemical analysis of tungsten concentrates; The molybdenum yellow photometric method for the determination of phosphorus content (USD) via email in 1-3 business day ABOLISHED
YS/T 452-2002 Lead & zine bulk concentrate via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 14353.10-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of tungsten content. Catalytic polarographic method in sulfuric acid-phenylhydroxy acetic acid-cinchonine-potassium chlorate system (USD) via email in 1-3 business day ABOLISHED
GB 6730.34-1986 Methods for chemical analysis of iron ores; The pyrocatechol violet-cetyl trimethylamine bromide photometric method for the determination of tin content (USD) via email in 1-3 business day ABOLISHED
YB/T 159.6-1999 Methods for chemical analysis of titanium concentrate(rock minerals)—The EGTA-CyDTA volumetric method for the determination of calcium oxide and magnesium oxide content (USD) via email in 1-3 business day ABOLISHED
YS/T 556.7-2009 Methods for chemical analysis of antimony concentrates—Part 7:Determination of mercury content—Atomic fluorescence spectrometry (USD) via email in 1-3 business day VALID
GB/T 14352.15-2010 Methods for chemical analysis of tungsten ores and molybdenum ores - Part 15:Determination of germanium content (USD) via email in 1-3 business day VALID
GB/T 14353.20-2019 Methods for chemical analysis of copper ores,lead ores and zinc ores—Part 20:Determination of rhenium content—Inductively coupled plasma mass spectroscopy (USD) via email in 1-3 business day VALID
YS/T 575.22-2006 Methods for chemical analysis of bauxite -- Determination of hydroscopic moisture in analytical samples -- Gravimetric method (USD) via email in 1-3 business day ABOLISHED
DZ/T 0279.14-2016 Analysis Methods for Regional Geochemical Sample-Part 14:Determination of Selenium by Hydride Generation-Atomic Fluorescence Spectrometry via email in VALID please email coc@codeofchina.com for quotation
GB 6730.27-1986 Methods for chemical analysis of iron ores; The lanthanum-alizarin complexon photometric method for the determination of fluorine content (USD) via email in 1-3 business day ABOLISHED
GB/T 3257.23-1999 Methods for chemical analysis of bauxite--Determination of organic carbon content--Titrimetric method (USD) via email in 1-3 business day ABOLISHED
GB/T 3257.12-1999 Methods for chemical analysis of bauxite--Determination of vanadium pentoxide content--N-benzoyl-N-phenythyroxylamine photometric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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