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GB/T 13747.14-1992 Zirconium and zirconium alloys-Determination of uranium content-Catalytic-oscillopolarographic method (USD) via email in 1-3 business day ABOLISHED
GB/T 15249.5-2009 Methods for chemical analysis of crude gold - Part 5: Determination of mercury content - Cold atomic absorption spectrometry (USD) via email in 1-3 business day VALID
GB/T 3256.5-1982 Chemical analysis of zirconium powder for electro-vacuum uses;The atomic absorption spectrophotometric method for determination of calcium and magnesium (USD) via email in 1-3 business day ABOLISHED
GB/T 13747.12-1992 Zirconium and zirconium alloys-Determination of silicon content-Molybdenum blue spectrophotometric method (USD) via email in 1-3 business day VALID
YS/T 569.1-2006 Thallium--Determination of copper content--Neocuproine-chloroform extraction photometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 536.4-2009 Methods for chemical analysis of bismuth—Determination of silver content—Flame atomic absorption spectrophotometric method and electrothermal atomic absorption spectrometric method (USD) via email in 1-3 business day VALID
YS/T 710.5-2009 Method for chemical analysis of cobalt oxide—Part 5:Determination of silicon content—Molybdenum blue spectrophotometry (USD) via email in 1-3 business day VALID
GB/T 13747.4-1992 Zirconium and zirconium alloys-Determination of chromium content-Diphenylcarbazide spectrophotometric method (USD) via email in 1-3 business day VALID
GB/T 15917.3-1995 Dysprosium and dysprosium oxide-Determination of tantalum content-Para-chloride phenylfluorone-cetyl trimethyl ammonium bromide-ethanol spectrophotometric method (USD) via email in 1-3 business day
GB/T 10267.3-2008 Method for analysis of calcium metal - Part 3: Direct determination of iron,nickel,copper,manganese and magnesium in calcium metal by atomic absorptiom spectrophotometry (USD) via email in 1-3 business day VALID
GB/T 4375.4-1984 Methods for chemical analysis of gallium;The 4,7-diphenyl-1,10-phenanthroline photometric method for the determination of iron content (USD) via email in 1-3 business day ABOLISHED
GB/T 1420-2004 Sponge palladium via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 520.10-2007 Chemical analysis of gallium Part 10 Determination of zinc content The atomic absorption spectral method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 15072.9-1994 Gold alloys-Determination of indium content (USD) via email in 1-3 business day ABOLISHED
GB/T 12690.25-1990 Rare-earth metals and their oxides--Determination of magnesium content--Flame atomic absorption spectrometric method (USD) via email in 1-3 business day ABOLISHED
GB/T 4375.1-1984 Methods for chemical analysis of gallium;The 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline photometric method for the determination of copper content (USD) via email in 1-3 business day ABOLISHED
GB/T 15072.11-1994 Gold alloys-Determination of gadolinium content (USD) via email in 1-3 business day ABOLISHED
GB/T 15076.11-1994 Methods for chemical analysis of tantalum and niobium-Determination of arsenic antimony,lead,tin and bismuth contents in niobium (USD) via email in 1-3 business day VALID
YS/T 536.5-2006 Methods for chemical analysis of bismuth -- Determination of zinc content --Solid-liquid extraction-flame atomic absorption spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 710.1-2009 Method for chemical analysis of cobalt oxide—Part 1:Determination of cobalt content—Potentiometric method (USD) via email in 1-3 business day VALID
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