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YS/T 281.3-1994 Cobalt -- Determination of silicon content -- Molybdenum blue spectrophotometric method 30.0 via email in 1~3 business day abolished
GB/T 10574.2-2003 Methods for chemical analysis of Tin-lead solders-Determination of antimony content 150.0 via email in 1~3 business day valid
GB 8648.9-1988 45.0 via email in 1~3 business day valid
YS/T 276.10-2011 Methods for chemical analysis of indium Part 10:Determination of bismuth aluminium lead iron copper cadmium tin and thallium content-Inductively coupled plasma atomic emission spectrometry 180.0 via email in 1~3 business day valid
GB 8648.14-1988 30.0 via email in 1~3 business day valid
GB/T 3254.4-1998 Antimony trioxide--Determination of copper content 75.0 via email in 1~3 business day abolished
YS/T 475.2-2005 Methods for chemical analysis of cast bearing metals - Determination of lead content - EDTA titrimetric method 75.0 via email in 1~3 business day valid
SN/T 1031.1-2001 Method for the chemical analysis of crude antimony trioxide for export - Determination of mercury content 60.0 via email in 1~3 business day superseded
YS/T 746.4-2010 Methods for chemical analysis of lead-free tin-based solders—Part 4:Determination of lead content—Flame atomic absorption spectrometric method 180.0 via email in 1~3 business day valid
GB/T 8151.13-2012 Methods for chemical analysis of zinc concentrates—Part 13:Determination of germanium content—Hydride generation-atomic fluorescence spectrometry and the phenyl fluorone spectrophptometric method 170.0 via email in 1~3 business day valid
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 90.0 via email in 1~3 business day valid
YS/T 281.10-1994 Cobalt -- Determination of nickel content -- Flame atomic absorption spectrophotometric method 60.0 via email in 1~3 business day abolished
GB/T 5121.6-1996 Copper and copperr alloys-Determination of bismuth content 90.0 via email in 1~3 business day abolished
YS/T 36.2-2011 Methods for chemical analysis of high-purity Tin Part 2:Determination of antimony content-Malachite green spectrophotometry 120.0 via email in 1~3 business day valid
GB/T 3260.9-2013 Methods for chemical analysis of tin—Part 9:Determination of sulphur content—Infra-red absorption method after high frequency induction furnace combustion 110.0 via email in 1~3 business day valid
YS/T 281.1-1994 Cobalt -- Determination of iron content -- Sulfosalicylic acid spectrophotometric method 30.0 via email in 1~3 business day abolished
GB 5119.6-1985 15.0 via email in 1~3 business day superseded
GB/T 4372.7-2014 Methods for chemical analysis of zinc oxide produced by direct process―Part 7:Determinantion of ferric oxide content―Flame atomic absorption spectrometry method 90.0 via email in 1~3 business day valid
YS/T 281.2-2011 Mehtods for chemical analysis of cobalt--Part 2:Determination of aluminum content--Chromeszurol S spectrophotometry 120.0 via email in 1~3 business day valid
GB/T 4103.12-2012 Methods for chemical analysis of lead and lead alloys - Part 12: Determination of thallium content 170.0 via email in 1~3 business day valid
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