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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ores―Determination of nickel content―Flame atomic absorption spectrometric method 75.0 via email in 1~3 business day superseded
GB/T 14352.12-2010 Methods for chemical analysis of tungsten ores and molybdenum ores - Part 12:Determination of silver content 120.0 via email in 1~3 business day valid
GB 3714-1983 Technical requirements of manganese carbonate ore powder 30.0 via email in 1~3 business day valid
GB/T 27692-2011 Acidity iron pellet for blast furnace 120.0 via email in 1~3 business day valid
GB/T 6730.35-2016 165.0 via email in 1~3 business day to be valid
GB/T 18114.8-2000 Methods for chemical analysis of monazite concentrates-Determination of yttrium oxide content 30.0 via email in 1~3 business day superseded
GB/T 3885.12-1983 Methods for chemical analysis of spodumenite and lepidolite concentrates;The gravimetric method for the determination of loss on ignition 15.0 via email in 1~3 business day superseded
GB/T 10322.2-2000 Iron ores - Experimental methods for evaluation of quality variation 240.0 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
GB/T 14353.15-2014 Methods for chemical analysis of copper ores,lead ores and zinc ores―Part 15:Determination of selenium content 165.0 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 240.0 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 180.0 via email in 1~3 business day valid
GB/T 15922-2010 Method for chemical analysis of cobalt ores—Determination of cobalt content 120.0 via email in 1~3 business day valid
GB/T 14352.14-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of gallium content. Rhodamine B photometric method after butylacetate extraction 45.0 via email in 1~3 business day superseded
YS/T 556.4-2006 Antimony concentrates -- Determination of hygroscopic moisture 15.0 via email in 1~3 business day superseded
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 20664-2006 Limitation concentration of natural radioactivity in non-ferrous metal ores and concentrates products 150.0 via email in 1~3 business day valid
YS/T 1050.2-2015 Methods for chemical analysis of lead antimony concentrates—Part 2:Determination of antimony content—Cerium sulfate titration method 105.0 via email in 1~3 business day valid
YS/T 254.6-1994 Methods for chemical analysis of beryllium concentrates-beryl The atomic absorption spectrophotometric method for the determination of calcium oxide content 60.0 via email in 1~3 business day superseded
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