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GB/T 3257.9-1999 Methods for chemical analysis of bauxite--Determination of potassium oxide and sodium oxide content--Flame atomic absorption spectrophotometric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 3884.10-2000 Methods for chemical analysis of copper concentrates-Determination of antimony content 90 (USD) via email in 1-3 business day ABOLISHED
GB/T 30083-2013 Copper,lead and zinc ores and concentrates—Precision and bias of mass measurement techniques 660 (USD) via email in 1-5 business day VALID
GB/T 3884.1-2000 Methods for chemical analysis of copper concentrates-Determination of copper content 120 (USD) via email in 1-3 business day ABOLISHED
YS/T 556.6-2009 Methods for chemical analysis of antimony concentrates—Part 6:Determination of selenium content—Hydride generation-atomic fluorescence spectrometric method 120 (USD) via email in 1-3 business day VALID
YS/T 514.4-2006 Methods for chemical analysis of high-titanium slag and rutile The direct combustion-coulometric method for the determination of total cabon content 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 461.1-2003 The methods for chemical analysis of lead and zinc bulk concentrates -- The determination of lead and zinc content -- The Na2EDTA titrimetric method after precipitation separation 120 (USD) via email in 1-3 business day ABOLISHED
GB/T 14353.14-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of germanium content. Phenylfluorone-cetyltrimethyl ammonium bromide photometric method after carbon tetrachloride extraction 60 (USD) via email in 1-3 business day ABOLISHED
YS/T 575.18-2006 Methods for chemical analysis of bauxite -- Determination of total carbon content -- Non-aqueous titrimetric method after combustion 90 (USD) via email in 1-3 business day ABOLISHED
GB/T 15923-2010 Method for chemical analysis of nickel ores - Determination of nickel content 120 (USD) via email in 1-3 business day VALID
GB/T 4102.9-1983 Methods for chemical analysis of high-titanium slag and rutile;The persulfate oxidation arsenite volumetric method for the determination of manganous monoxide content 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 575.3-2006 Methods for chemical analysis of bauxite -- Determination of silicon dioxide content -- Molybdenum blue photometric method 75 (USD) via email in 1-3 business day ABOLISHED
DZ/T 0279.23-2016 Analysis Methods for Regional Geochemical Sample-Part 23:Determination of Iodine by Ion Chromatography via email in VALID please email coc@codeofchina.com for quotation
YS/T 349-1994 150 (USD) via email in 1-3 business day ABOLISHED
GB 14261-1993 Methods for sampling and sample preparation of flotation zinc concentrates in bulk 120 (USD) via email in 1-3 business day ABOLISHED
YS/T 575.5-2006 Methods for chemical analysis of bauxite -- Determination of iron oxide content -- Orthophenanthroline photometric method 75 (USD) via email in 1-3 business day ABOLISHED
YS/T 318-2007 Copper concentrate 75 (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 120 (USD) via email in 1-3 business day VALID
GB/T 8152.11-2006 Methods for chemical analysis of lead concentrates―Determination of mercury content―Atomic fluorescence spectrometer method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
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