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GB/T 3257.8-1999 Methods for chemical analysis of bauxite--Determination of magnesium oxide content--Flame atomic absorption spectrophotometric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 1115.8-2016 Methods for chemical analysis of copper ores and tailings—Part 8:Determination of magnesium content—Flame atomic absorption spectrometric method (USD) via email in 1-3 business day VALID
SN/T 0484-1995 Methods for inspection of magnesite for export (USD) via email in 1-3 business day VALID
YS/T 452-2013 Lead and zinc bulk concentrate (USD) via email in 1-3 business day VALID
YS/T 575.6-2006 Methods for chemical analysis of bauxite -- Determination of titanium dioxide content -- Diantipyrylmethane photometric method (USD) via email in 1-3 business day ABOLISHED
GB/T 3257.13-1999 Methods for chemical analysis of bauxite--Determination of zinc content--Flame atomic absorption spectrophotometric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 4102.10-1983 Methods for chemical analysis of high-titanium slag and rutile;The diphenylcarbazide photometric method for the determination of chromium sesquioxide content (USD) via email in 1-3 business day ABOLISHED
GB/T 8151.16-2005 Methods for chemical analysis of zinc concentrates—Determination of cobalt content—Flame atomic absorption sspectrometer method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 472.3-2005 Methods for chemical analysis of nickel concentrates and cobalt sulfide concentrates --Determination of mercury content -- Hydride generation-atomic fluorescence spectrometry (USD) via email in 1-3 business day VALID
GB/T 14353.16-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of tellurium content. Graphite furnace atomic absorption spectrometric method (USD) via email in 1-3 business day ABOLISHED
GB/T 14353.11-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of silver content. Flame atomic absorption spectrometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 1050.2-2015 Methods for chemical analysis of lead antimony concentrates—Part 2:Determination of antimony content—Cerium sulfate titration method (USD) via email in 1-3 business day VALID
GB/T 4102.11-1983 Methods for chemical analysis of high-titanium slag and rutile;The benzoyl phenylhydroxylamine extraction photometric method for the determination of vanadium pentoxide content (USD) via email in 1-3 business day ABOLISHED
GB/T 15923-1995 Method for chemical analysis of nickel ores—Determination of nickel content—Flame atomic absorption spectrometric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
DZ/T 0279.29-2016 Analysis Methods for Regional Geochemical Sample-Part 29:Determination of Nitrogen Content by Kjeldahl Distillation-Volumetric Method via email in VALID please email coc@codeofchina.com for quotation
YS/T 882-2013 Lead antimony concentrates (USD) via email in 1-3 business day VALID
YS/T 514.11-2006 Methods for chemical analysis of high-titanium slag and rutile The benzoyl phenylhydroxylamine extraction photometric method for the determination of vanadium pentaoxide content (USD) via email in 1-3 business day ABOLISHED
GB 4291-1984 (USD) via email in 1-3 business day ABOLISHED
DZ/T 0279.7-2016 Analysis Methods for Regional Geochemical Sample-Part 7:Determination of MOLYBDENUM Content by inducively Coupled Plasma Mass Spectrometry via email in VALID please email coc@codeofchina.com for quotation
YS/T 1050.7-2015 Methods for chemical analysis of lead antimony concentrates—Part 7:Determination of bismuth and copper contents—Flame atomic absorption spectrometric method (USD) via email in 1-3 business day VALID
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