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GB/T 15072.13-1994 Silver alloys-Determination of cerium content (USD) via email in 1-3 business day ABOLISHED
YS/T 445.2-2001 Methods for chemical analysis of silver concentrates -- Determination of copper content (USD) via email in 1-3 business day ABOLISHED
GB/T 11066.4-1989 Gold-Determination of copper, lead, bismuth and antimony contents-Flame atomic absorption spectrometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 1122.2-2016 Methods for chemical analysis of(hydro) chloroplatinic acid—Part 2:determination of palladium,rhodium,iridium,gold,silver,chromium,copper,iron,nickel,lead,tin contents—Inductivity coupled plasma mass spectrometry (USD) via email in 1-3 business day VALID
GB/T 15249.3-2009 Methods for chemical analysis of crude gold - Part 3: Determination of copper content - Iodometric method (USD) via email in 1-3 business day VALID
GB/T 15249.4-2009 Methods for chemical analysis of crude gold - Part 4: Determination of lead content - EDTA titrimetric method (USD) via email in 1-3 business day VALID
GB/T 1487-1979 Method for chemical analysis of platinum-tungsten alloys (USD) via email in 1-3 business day ABOLISHED
GB/T 18307-2001 Methods for chemical analysis of crude silver (USD) via email in 1-3 business day VALID
YS/T 375.2-1994 (USD) via email in 1-3 business day ABOLISHED
GB/T 11066.6-2009 Methods for chemical analysis of gold—Determination of magnesium、nickel、manganese、palladium contents—Flame atomic absorption spectrometry (USD) via email in 1-3 business day VALID
GB/T 19198-2003 Measuring method for thermoelectricity force of precious metals and their alloys pair up with platinum (USD) via email in 1-3 business day ABOLISHED
GB/T 15072.3-1994 Gold,platinum and palladium alloys-Determination of platinum content (USD) via email in 1-3 business day ABOLISHED
GB/T 15249.4-1994 Crude Gold-Determination of lead content-EDTA titrimetric method (USD) via email in 1-3 business day ABOLISHED
GB/T 11067.7-1989 Silver-Determination of copper, bismuth, iron, lead, gold and antimony contents-Emission spectrometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 374.7-1994 (USD) via email in 1-3 business day ABOLISHED
GB/T 15249.3-1994 Crude Gold-Determination of copper content-Iodometric method (USD) via email in 1-3 business day ABOLISHED
GB/T 15072.12-1994 Silver alloys-Determination of vanadium content (USD) via email in 1-3 business day ABOLISHED
YS/T 372.15-2006 Methods for elementary analysis of precious alloy -- Determination of antimony content -- The flame atomic absorption spectrometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 373.4-1994 via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 15072.14-1994 Silver alloys-Determination of aluminium content (USD) via email in 1-3 business day ABOLISHED
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