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YS/T 1122.1-2016 Chemica lanalysis methods for chloroplatinic acid—Part 1:Determination of platinum content—Ammonium chloride gravimetry 120 (USD) via email in 1-3 business day VALID
YS/T 372.16-2006 Methods for elementary analysis of precious alloy—Determination of gallium content—EDTA complexometric titration via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 371-2006 Methods for chemical analysis of precious metals alloys—General rules and regulations via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 445.3-2001 Methods for chemical analysis of silver concentrates -- Determination of arsenic and bismuth contents via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 938.3-2013 Chemical analysis methods of gold alloys and palladium alloys for dental ceramic restoration—Part 3:Determination of silver content—Flame atomic absoption spectrometry and potentiometric titration 180 (USD) via email in 1-3 business day VALID
YS/T 372.20-2006 Methods for elementary analysis of precious alloy -- Determination of cadmium content -- Complex metric titration using potassium iodide releasing EDTA via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 445.2-2001 Methods for chemical analysis of silver concentrates -- Determination of copper content 120 (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 180 (USD) via email in 1-3 business day VALID
YS/T 375.2-1994 15 (USD) via email in 1-3 business day ABOLISHED
YS/T 374.7-1994 30 (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
YS/T 372.11-2006 Methods for elementary analysis of precious alloy -- Determination of magnesium content -- EDTA complex metric titration via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 372.2-2006 Methods for elementary analysis of precious alloy—Determiatnion of platinum content—Electricity titration using potassium permanganate via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 365-2006 Determination of trace impurities in high purity platinum by atomic emission sspectrometric via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 372.6-1994 15 (USD) via email in 1-3 business day ABOLISHED
YS/T 361-2006 Determination of trace impurities in purity platinium by atomic emission spectrometric via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 362-2006 Determination of trace impurities in purity palladium by atomic emission spectrometric via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 373.5-1994 30 (USD) via email in 1-3 business day ABOLISHED
YS/T 370-2006 Precious metals and alloys -- Preparation method for metallographic samples via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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