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YS/T 281.6-2011 Methods for chemical analysis of cobalt- Part 6:Determination of magnesium content-Flame atomic absorption spectrometery (USD) via email in 1-3 business day VALID
YS/T 536.6-2006 Methods for chemical analysis of bismuth -- Determination of lead content -- Electrothermal atomic absorption spectrometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 520.5-2006 Methods for chemical analysis of gallium The N2O-C2H2 falme atomic absorption spectrophotometric method for the determination of calcium content (USD) via email in 1-3 business day ABOLISHED
GB/T 15076.10-1994 Methods for chemical analysis of tantalum and niobium-Determination of iron,nickel,chromium,titanium,zirconium,aluminum and manganese contents in niobium (USD) via email in 1-3 business day VALID
YS/T 520.9-2007 Chemical analysis of gallium Part 9 Determination of germanium content The phenyl fluorone-polyethylene glycol octyl phenyl ether extraction spectrophotometric method via email in 1-3 business day VALID 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
GB/T 11067.6-2006 Methods for chemical analysis of silver - Determination of iron contents - Flame atomic absorption spectrometric method (USD) via email in 1-3 business day VALID
YS/T 281.8-2011 Methods for chemical analysis of cobalt- Part 8:Determination of cadmium content-Flame atomic absorption spectrometery (USD) via email in 1-3 business day VALID
GB/T 10267.3-1988 Method for analysis of calcium metal-The direct determination of iron,nickel,copper,manganese and magnesium in calcium metal by atomic absorption spectrometry (USD) via email in 1-3 business day ABOLISHED
GB/T 15076.4-1994 Methods for chemical analysis of tantalum and niobium-Determination of iron content (USD) via email in 1-3 business day VALID
GB/T 4375.9-1984 Methods for chemical analysis of gallium;The phenylfluorone-polyethylene glycol octyl phenyl ether photometric method for the determination of germanium content (USD) via email in 1-3 business day ABOLISHED
YS/T 281.16-2011 Methods for chemical analysis of cobalt- Part 16:Determination of arsenic cadmium copper zinc.lead bismuth tin antimony silicon manganese iron nickel aluminum and magnesium content-Direct current arc atomic emission spectrometery (USD) via email in 1-3 business day VALID
GB/T 15249.1-2009 Methods for chemical analysis of crude gold - Part 1: Determination of gold content - Fire assay gravimetric method (USD) via email in 1-3 business day VALID
GB/T 11071-1989 Zone-refined germanium ingot (USD) via email in 1-3 business day ABOLISHED
YS/T 540.1-2006 Vanadium -- Determination of vanadium content -- Potassium permanganate-ammonium ferrous sulphate volumetric method (USD) via email in 1-3 business day ABOLISHED
GB/T 1421-1989 Rhodium powder via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 8639.1-1988 Vanadium; Determination of vanadium content; Potassium permanganate-ammonium ferrous sulphate volumetric method (USD) via email in 1-3 business day ABOLISHED
YS/T 281.3-2011 Methods for chemical analysis of cobalt- Part 3:Determination of silicon content-Molybdenum blue spectrophotometery (USD) via email in 1-3 business day VALID
YS/T 281.12-2011 Methods for chemical analysis of cobalt- Part 12:Determination of arsenic antimony bismuth tin and lead content-Electrothermal atomic absorption spectrometery (USD) via email in 1-3 business day VALID
GB/T 8220.9-1998 Methods for chemical analysis of bismuth--Determination of tellurium content--Coprecipitation with arsenic-oscillopolarographic method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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