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GB/T 15076.5-1994 Methods for chemical analysis of tantalum and niobium-Determination of molybdenum and tungsten contents (USD) via email in 1-3 business day ABOLISHED
GB/T 8220.7-1998 Methods for chemical analysis of bismuth-Determination of arsenic content-Ion exchange separation-hydride generation-flame atomic absorption spectrophotometric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 15249.2-2009 Methods for chemical analysis of crude gold - Part 2: Determination of silver content - Fire assay gravimetric and EDTA titrimetric methods (USD) via email in 1-3 business day VALID
YS/T 536.8-2006 Methods for chemical analysis of bismuth -- Determination of chlorine content -- Distillation-mercuric thiocyanate photometric method (USD) via email in 1-3 business day ABOLISHED
GB/T 10267.2-1988 Method for analysis of calcium metal-The determination of micro-amounts of silicon by photometric method (USD) via email in 1-3 business day VALID
GB/T 13747.13-1992 Zirconium and zirconium alloys-Determination of lead content-Oscillopolarographic method (USD) via email in 1-3 business day ABOLISHED
GB/T 4951-1985 Sacrificial anode of Zn-Al-Cd alloy; Chemical analysis (USD) via email in 1-3 business day ABOLISHED
YS/T 562-2006 Method for chemical analysis of platinum-ruthenium alloys (USD) via email in 1-3 business day ABOLISHED
GB/T 1419-1989 Sponge platinum via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 15072.17-1994 Platinum alloys-Determination of tungsten content (USD) via email in 1-3 business day ABOLISHED
GB/T 15072.4-1994 Palladium,silver alloys-Determination of palladium content (USD) via email in 1-3 business day ABOLISHED
GB/T 4375.5-1984 Methods for chemical analysis of gallium;The N2O-C2H2flame atomic absorption spectrophotometric method for the determination of calcium content (USD) via email in 1-3 business day ABOLISHED
GB/T 23273.2-2009 Methods for chemical analysis of cobalt oxalate - Part 2: Determination of lead content - Electrothermal atomic absorption spectrometry (USD) via email in 1-3 business day VALID
YS/T 74.1-2010 Methods for chemical analysis of cadmium—Part 1:Determination of arsenic content—Hydride generation-atomic fluorescence spectrometry (USD) via email in 1-3 business day VALID
GB/T 15917.1-1995 Dysprosium and dysprosium oxide-Determination of gadolinium oxide, terbium oxide, holmium oxide, erbium oxide and yttrium oxide contents-Emission spectrographic method (USD) via email in 1-3 business day ABOLISHED
GB/T 3631-1983 Technical requirements of hydro-cinnabar (USD) via email in 1-3 business day ABOLISHED
YS/T 569.5-2006 Thallium--Determination of cadmium content--Dithizone extraction photometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 349.4-2010 Methods for chemical analysis of cobalt sulfide concentrate—Part 4:Determination of silicon dioxide—Potassium silicofluoride capacity method (USD) via email in 1-3 business day VALID
GB/T 8639.6-1988 Vanadium; Determination of silicon content; N-butyl alcohol extraction spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 536.13-2006 Methods for chemical analysis of bismuth -- Determination of silver and cadmium content -- Electrothermal atomic absorption spectrometric method (USD) via email in 1-3 business day ABOLISHED
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