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GB/T 4372.2-2014 Methods for chemical analysis of zinc oxide produced by direct process―Part 2:Determination of lead oxide content―Flame atomic absorption spectrometry method 90.0 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 8647.6-2006 The methods for chemical analysis of nickel - Determination of cadmium,cobalt,copper,manganese,lead and zinc contents - Flame atomic absorption spectrometric method 120.0 via email in 1~3 business day valid
YS/T 240.10-2007 Methods for chemical analysis of bismuth concentrate-Determination of aluminium oxide content-Chromazurol S spectrophotometric method 75.0 via email in 1~3 business day valid
YS/T 281.8-1994 Cobalt -- Determination of cadmium content -- Flame atomic absorption spectrophotometric method 60.0 via email in 1~3 business day abolished
GB 5119.4-1985 30.0 via email in 1~3 business day valid
GB/T 5121.13-1996 Methods for chemical analysis of copper; The combustion-volumetric method for the determination of sulfur content 45.0 via email in 1~3 business day abolished
YS/T 281.3-1994 Cobalt -- Determination of silicon content -- Molybdenum blue spectrophotometric method 30.0 via email in 1~3 business day abolished
QJ 2324-1992 75.0 via email in 1~3 business day valid
GB/T 4372.6-2014 Methods for chemical analysis of zincoxide produced by direct process―Part 6:Testing of metallic zinc 90.0 via email in 1~3 business day valid
YS/T 276.6-2011 Methods for chemical analysis of indiumPart 6:Determination of copper,cadmium and zinc content-Flame atomic absorption spectrometry 165.0 via email in 1~3 business day valid
GB/T 4372.3-2001 Methods for chemical analysis of zinc oxide produced by direct process-Determination of copper oxide content-Atomic absorption spectrometry method 60.0 via email in 1~3 business day superseded
SN/T 1031.2-2001 Method for the chemical analysis of crude antimony trioxide for export - Determination of total antimony content 60.0 via email in 1~3 business day valid
GB 3255.4-1982 15.0 via email in 1~3 business day superseded
YS/T 710.5-2009 Method for chemical analysis of cobalt oxide - Part 5: Determination of silicon content - Molybdenum blue spectrophotometry 105.0 via email in 1~3 business day valid
YS/T 928.1-2013 Methods for Chemical Analysis of Nickel Cobalt Manganese Composite Hydrogenoxide Part 1: Determination of Chloride Ion Contents Silver Chloride Turbidimetry 120.0 via email in 1~3 business day valid
YS/T 470.2-2004 Methods for chemical analysis of copper-beryllium alloys—Determination of beryllium content—Sodium fluoride titrimetric method 90.0 via email in 1~3 business day valid
GB/T 3260.5-2013 Methods for Chemical Analysis of Tin - Part 5: Determination of Antimony Content - the Malachite Green Photometric Method 110.0 via email in 1~3 business day valid
GB/T 3253.6-2008 Methods for chemical analysis of antimony and antimony trioxide - Determination of selenium content - Atomic fluorescence spectrometer method 90.0 via email in 1~3 business day valid
YS/T 536.5-2009 Methods for chemical analysis of bismuth—Determination of zinc content—Solid-liquid extraction-flame atomic absorption spectrophotometric method 120.0 via email in 1~3 business day valid
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