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GB/T 11067.4-2006 Methods for chemical analysis of silver - Determination of antimony content - The inductively coupled plasma atomic emission spectrometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 281.10-2011 Methods for chemical analysis of cobalt- Part 10:Determination of nickel content-Flame atomic absorption spectrometery (USD) via email in 1-3 business day VALID
GB/T 15072.8-1994 Gold,Palladium and silver alloys-Determination of copper content (USD) via email in 1-3 business day ABOLISHED
YS/T 520.10-2006 Methods for chemical analysis of gallium The atomic absorption spectrophotometric method for the determination of zine content (USD) via email in 1-3 business day ABOLISHED
GB/T 11070-1989 Reduced germanium ingot (USD) via email in 1-3 business day ABOLISHED
YS/T 520.12-2007 Chemical analysis of gallium Part 12 Determination of lead copper nickel aluminum indium and zinc content The spectrochemical method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 12690.15-1990 Rare-earth metals and their oxides--Determination of thorium content--Arsenazo Ⅲ spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
GB/T 15249.1-1994 Crude Gold-Determination of gold content-Fire assay gravimetric method (USD) via email in 1-3 business day ABOLISHED
YS/T 500-2006 Determination of cerium in cerium-tungsten alloys -- oxidation-reduction volumetry (USD) via email in 1-3 business day ABOLISHED
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