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GB/T 3884.10-2012 Methods for chemical analysis of copper concentrstes - Part 10: Determination of Antimony content - Hydride generation atomic fluorescence spectrometry method 120.0 via email in 1~3 business day valid
GB/T 5191-1985 Tin and tin alloy foil; Lead and lead alloy foil; Zinc foil 60.0 via email in 1~3 business day abolished
GB/T 8151.10-2012 Methods for chemical analysis of zinc concentrates—Part 10:Determination of tin content—Hydride generation-atomic fluorescence spectrometry 120.0 via email in 1~3 business day valid
GB/T 8151.4-2012 Methods for chemical analysis of zinc concentrates—Part 4:Determination of silicon dioxide content—Molybdenum blue spectrophotometry 120.0 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 180.0 via email in 1~3 business day valid
YS/T 44-1992 30.0 via email in 1~3 business day abolished
YS/T 565-2006 Zinc plate for dry cell 60.0 via email in 1~3 business day superseded
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
YS/T 747-2010 Lead-free tin-based solder 150.0 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 120.0 via email in 1~3 business day valid
GB/T 3884.16-2014 Methods for chemical analysis of copper concentrates―Part 16:Determination of silicon dioxide content―K2SiF6 titrimetric method and gravimetric method 165.0 via email in 1~3 business day valid
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 105.0 via email in 1~3 business day valid
YS/T 461.7-2013 Methods for Chemical Analysis of Lead and Zinc Bulk Concentrates - Part 7: The Determination of Cadmium Content - Flame Atomic Absorption Spectrometry 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 180.0 via email in 1~3 business day valid
GB/T 3884.7-2012 Methods for chemical analysis of copper concentrates - Part 7: Determination of lead content - Na2EDTA titration method 120.0 via email in 1~3 business day valid
GB/T 8151.7-2012 Methods for chemical analysis of zinc concentrates—Part 7:Determination of arsenic content—Hydride generation-atomic fluorescence spectrometry and the potassium bromate titrimetric method 180.0 via email in 1~3 business day valid
GB/T 13821-1992 Zinc alloy die castings 75.0 via email in 1~3 business day superseded
GB/T 8151.17-2012 Methods for chemical analysis of zinc concentrates—Part 17:Determination of zinc content—Hydroxide precipitation and Na2 EDTA titrimetric method 330.0 via email in 1~3 business day valid
GB/T 8151.1-2012 Methods for chemical analysis of zinc concentrates—Part 1:Determination of zinc content—Precipitate separation-Na2EDTA titrimetric method and extractive separation-Na2EDTA titrimetric method 180.0 via email in 1~3 business day valid
GB/T 3260.4-2013 Methods for Chemical Analysis of Tin - Part 4: Determination of Lead Content - Flame Atomic Absorption Spectrometric Method 120.0 via email in 1~3 business day valid
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