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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 14352.12-2010 Methods for chemical analysis of tungsten ores and molybdenum ores - Part 12:Determination of silver content 110.0 via email in 1~3 business day valid
GB/T 27692-2011 Acidity iron pellet for blast furnace 110.0 via email in 1~3 business day valid
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 7739.10-2007 Methods for chemical analysis of gold concentrates—Part 10:Determination of antimony contents 120.0 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 165.0 via email in 1~3 business day valid
GB/T 24519-2009 Manganese ores—Determination of magnesium,aluminum,silicon,phosphorus,sulfur,potassium,calcium,titanium,manganese,iron,nickel,copper,zinc,barium and lead content—Wavelength dispersive 230.0 via email in 1~3 business day valid
GB/T 24189-2009 Iron ores for blast furnace feedstocks—Determination of the reducibility by the final degree of reduction index 150.0 via email in 1~3 business day valid
GB/T 15922-2010 Method for chemical analysis of cobalt ores—Determination of cobalt content 110.0 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
YB/T 159.4-1999 Methods for chemical analysis of titanium concentrate(rock minerals)—The bismuth phosphomoly-bdate blue spestrophotometric method for the determination of phosphorus content 75.0 via email in 1~3 business day superseded
GB/T 1819.1-2004 Methods for chemical analysis of tin concentrates - Determination of water content - The weighing method 30.0 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 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 13242-1991 Iron ores-Low-temperature disintegration test-Method using cold tumbling after static reduction 150.0 via email in 1~3 business day valid
YS/T 358.7-2011 Methods for chemical analysis of tantalite,columbite concentrate—Part 7:Determination of iron content—Inductively coupled plasma atomic emission spectrometry 120.0 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
YS/T 820.24-2012 Methods for chemical analysis of laterite nickel ores- Part 24:Determination hygroscopic moisture content—Gravimetric method 90.0 via email in 1~3 business day valid
GB/T 7739.3-2007 Methods for chemical analysis of gold concentrates—Part 3:Determination of arsenic contents 180.0 via email in 1~3 business day valid
GB 6730.8-1986 Methods for chemical analysis of iron ores; The potassium dichromate volumetric method for the determination of iron(2) content 60.0 via email in 1~3 business day valid
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