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GB/T 15923-1995 Method for chemical analysis of nickel ores―Determination of nickel content―Flame atomic absorption spectrometric method 75.0 via email in 1~3 business day abolished
GB/T 6730.35-2016 Iron ores—Determination of copper content—Oxalic acid bis-cyclohexylidene hydragide(cuprizone) spectrophotometric method 150.0 via email in 1~3 business day valid
GB/T 14353.1-2010 Methods for chemical analysis of copper ores lead ores and zinc ores - Part 1: Determination of copper content 170.0 via email in 1~3 business day valid
GB/T 8152.1-2006 Methods for chemical analysis of lead concentrates―Determination of lead content―EDTA titration method after acid digestion 200.0 via email in 1~3 business day valid
YS/T 820.23-2012 Methods for chemical analysis of laterite nickel ores―Part 23:Determination of cobalt,iron,nickel,phosphorus,aluminium oxide,calcium oxide,chromium oxide,magnesium oxide,manganese oxide,silicon dioxide and titanium dioxide content―Wavelength dispersive 140.0 via email in 1~3 business day valid
GB 7146-1986 Methods of sampling and sample preparation of antimony ores in bags 270.0 via email in 1~3 business day valid
GB/T 10322.6-2004 Iron ore—Determination of decrepitation index 36.0 via email in 1~3 business day valid
YS/T 556.4-2006 Antimony concentrates -- Determination of hygroscopic moisture 15.0 via email in 1~3 business day abolished
GB/T 14353.4-2010 Methods for chemical analysis of copper ores lead ores and zinc ores - Part 4: Determination of cadmium content 170.0 via email in 1~3 business day valid
GB/T 13449-1992 Gold lump ores-Increment sampling and sample preparation-Manual method 105.0 via email in 1~3 business day valid
YS/T 472.2-2005 Methods for chemical analysis of nickel concentrates and cobalt sulfide concentrates --Determination of chromium content -- Flame atomic absorption spectrometry 90.0 via email in 1~3 business day valid
GB/T 3257.18-1999 Methods for chemical analysis of bauxite--Determination of sulfur content--Direct combustion-iodometric method 90.0 via email in 1~3 business day abolished
GB/T 6730.58-2004 Iron ores—Determination of vanadium content—Flame atomic absorption spectrometric methods 150.0 via email in 1~3 business day to be abolished
GB/T 14353.14-2014 Methods for chemical analysis of copper ores, lead ores and zinc ore―Part 14:Determination of germanium content 150.0 via email in 1~3 business day valid
GB/T 1819.5-2004 Methods for chemical analysis of tin concentrates - Determination of arsenic content - The molybdoantimonyarsenate blue spectrophotometric method and the distillation-iodimetric titri 60.0 via email in 1~3 business day valid
GB/T 17417.2-2010 Method for chemical analysis of rare earth ores—Part 2:Determination of scandium content 110.0 via email in 1~3 business day valid
YS/T 254.6-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 6:Determination of calcium oxide content—Flame atomic absorption spectrometry 120.0 via email in 1~3 business day valid
GB/T 14353.10-2010 Methods for chemical analysis of copper ores lead ores and zinc ores - Part 10: Determination of tungsten content 110.0 via email in 1~3 business day valid
GB/T 7739.11-2007 Methods for chemical analysis of gold concentrates—Part 11:Determination of arsenic and bismuth contents 90.0 via email in 1~3 business day valid
GB/T 6730.10-2014 Iron ores―Determination of silicon content―Gravimetric methods 210.0 via email in 1~3 business day valid
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