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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
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 110.0 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 90.0 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
GB/T 13821-1992 Zinc alloy die castings 75.0 via email in 1~3 business day abolished
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 310.0 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 110.0 via email in 1~3 business day valid
YS/T 248.7-2007 Methods for chemical analysis of crude lead-Determination of silver content-Flame atomic absorption spectrometric method 75.0 via email in 1~3 business day valid
GB/T 1470-1988 Lead and lead-antimony alloy plate 180.0 via email in business day abolished
GB/T 26042-2010 Methods for analysis of zinc and zinc alloys—The optical emission spectrometry 230.0 via email in 1~3 business day valid
GB/T 728-2010 Ingot tin 120.0 via email in 1~3 business day valid
GB/T 12689.1-1990 Zinc and zinc alloys―Determination of aluminium content―EDTA titrimetric method 180.0 via email in business day abolished
GB/T 12689.4-1990 Zinc and zinc alloys―Determination of arsenic content―Molybdenum blue spectrophotometric method 180.0 via email in business day superseded
GB/T 8151.5-2012 Methods for chemical analysis of zinc concentrates—Part 5:Determination of lead content—The flame atomic absorption spectrometric method 110.0 via email in 1~3 business day valid
GB/T 8151.19-2012 Methods for chemical analysis of zinc sulfide concentrates—Part 19:Determination of silver and gold contents—Fire assay and flame atomic absorption spectrometric method using scorification or cupellation 340.0 via email in 1~5 business day valid
YS/T 248.1-2007 Methods for chemical analysis of crude lead - Determination of lead content-Na2DETA titrimetric method 75.0 via email in 1~3 business day valid
YS/T 928.3-2013 Methods for chemical analysis of nickel cobalt manganese composite hydrogenoxide―Part 3:Determination of nickel,cobalt,manganese content―Inductively coupled plasma atomic emission spectromertric 105.0 via email in 1~3 business day valid
YS/T 1046.7-2015 Methods for chemical analysis of copper slag concentrates―Part 7:Determination of arsenic,antimony,bismuth,lead ,zinc and magnesium oxide content―Inductively coupled plasma atomic emission spectrometry 165.0 via email in 1~3 business day valid
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