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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 8648.9-1988 45.0 via email in 1~3 business day valid
GB/T 5121.23-2008 Methods for chemical analysis of copper and copper alloys - Part 23: Determination of silicon content 180.0 via email in 1~3 business day valid
GB/T 5121.3-2008 Methods for chemical analysis of copper and copper alloys - Part 3: Determination of lead content 150.0 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 4372.4-2001 Methods for chemical analysis of zinc oxide produced by direct process-Determination of cadmium oxide content-Atomic absorption spectrometry method 60.0 via email in 1~3 business day superseded
GB/T 3254.4-1998 Antimony trioxide--Determination of copper content 75.0 via email in 1~3 business day abolished
YS/T 248.9-2007 Methods for chemical analysis of crude lead-Determination of bismuth content-Flame atomic absorption spectrometric method 75.0 via email in 1~3 business day valid
GB/T 23273.6-2009 Methods for chemical analysis of cobalt oxalate - Part 6: Determination of chlorine ion content - Ion selective electrode method 110.0 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 10574.13-2003 Methods for chemical analysis of tin-lead solders-determination of copper,iron cadmium,silver,gold,arsenic,zinc,aluminium,bismuth,phosphorous content 120.0 via email in 1~3 business day superseded
YS/T 746.13-2010 Methods for chemical analysis of lead-free tin-based solders - Part 12: Determination of Indium content - Na2EDTA titrimetric method 105.0 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 8647.9-2006 The methods for chemical analysis of nickel - Determination of carbon content - Infra-red absorption method after high frequency induction furnace combustion 90.0 via email in 1~3 business day valid
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 475.3-2005 Methods for chemical analysis of cast bearing metals - Determination of antimony content - Cerium sulfate titrimetric method 75.0 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
GB/T 10574.6-2003 Methods for chemical analysis of tin-lead solders-Determination of copper content 120.0 via email in 1~3 business day valid
GB/T 10574.14-2017 Methods for chemical analysis of tin-lead solders - Part 14: Determination of tin, lead, antimony, bismuth, silver, copper, zinc, cadmium and arsenic content - Optical emission spectrometry 160.0 via email in 1~3 business day valid
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