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YS/T 461.7-2003 The methods for chemical analysis of lead and zine bulk concentrates—The determination of cadmium content—The atomic absorption method (USD) via email in 1-3 business day ABOLISHED
GB/T 20127.10-2006 Steel and alloy - Determination of trace element contents Part 10: Determination of selenium content by hydride generation-atomic fluorescence spectrometric method (USD) via email in 1-3 business day VALID
GB/T 6524-2003 Metallic powders—Determination of particle size distribution by gravitational sedimentation in a liquid and attenuation measurement via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 372.21-2006 Methods for elementary analysis of precious alloy—Determination of zirconium content—EDTA complexometric titration via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 4336-2002 STANDARD test method for spark discharge atomic emission spectrometric analysis of carbon and low-Alloy steel (routine method) via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 475.3-2005 Methods for chemical analysis of cast bearing metals -- Determination of antimony content --Cerium sulfate titrimetric method (USD) via email in 1-3 business day VALID
GB/T 23514-2009 Chemical analysis methods for nuclear-grade Ag-In-Cd alloys (USD) via email in 1-3 business day VALID
GB/T 8758-1988 Measuring thickness of epitaxial layers of gallium arsenide by infrared interference (USD) via email in 1-3 business day ABOLISHED
YS/T 281.3-1994 Cobalt -- Determination of silicon content -- Molybdenum blue spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 281.10-1994 Cobalt -- Determination of nickel content -- Flame atomic absorption spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 375.5-1994 (USD) via email in 1-3 business day ABOLISHED
GB/T 12689.3-2004 The methods for chemical analysis of zinc and zinc alloys—The determination of cadmium content—The flame atomic sbsorption spectrometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 227.1-1994 Determination of bismuth content in tellurium--Potassium iodide brucine photometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 281.12-1994 Cobalt -- Determination of arsenic antimony bismuth tin and lead contents -- Flame atomic absorption spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 363-2006 Determination of trace impurities in purity rhodium by atomic emission spectrometric via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 5162-1985 Metallic powders; Determination of tap density (USD) via email in 1-3 business day ABOLISHED
YS/T 423.3-2000 Methods for chemical analysis of nuclear-grade boron carbide powder—Determination of uncarbonized boron content (USD) via email in 1-3 business day VALID
YS/T 372.3-2006 Methods for elementary analysis of precious alloy—Determiantion of palladium content—Determination of palladium content—Complexometric titration using butanedione dioxime releasing EDTA via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 13298-1991 Metal-Inspection method of microstructure (USD) via email in 1-3 business day ABOLISHED
YS/T 229.2-1994 High pure lead--Determination of arsenic content--Arsenic-molybdenum blue photometric method (USD) via email in 1-3 business day ABOLISHED
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