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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 2009-1987 Method of sampling and sample preparation of bauxite in bulk 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
YS/T 556.4-2006 Antimony concentrates -- Determination of hygroscopic moisture 15.0 via email in 1~3 business day abolished
GB/T 8152.11-2006 Methods for chemical analysis of lead concentrates - Determination of mercury content - Atomic fluorescence spectrometer method 60.0 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
YB/T 5285-2007 Sulphate titanium slag 165.0 via email in 1~3 business day abolished
GB/T 8151.16-2005 Methods for chemical analysis of zinc concentrates - Determination of cobalt content - Flame atomic absorption sspectrometer method 45.0 via email in 1~3 business day valid
YS/T 575.13-2006 Methods for chemical analysis of bauxite -- Determination of zinc content -- Flame atomic absorption spectrophotometric method 90.0 via email in 1~3 business day abolished
YS/T 556.2-2009 Methods for chemical analysis of antimony concentrates—Part 2:Determination of arsenic content—Potassium bromate titration method 90.0 via email in 1~3 business day valid
GB/T 4102.3-1983 Methods for chemical analysis of high-titanium slag and rutile;The extraction-molybdenum blue photometric method for the determination of phosphorus content 30.0 via email in 1~3 business day superseded
YST472.1~472.5-2005 Methods for chemical analysis of nickel concentrates and cobalt sulfide concentrates 330.0 via email in 1~3 business day valid
GB 14261-1993 Methods for sampling and sample preparation of flotation zinc concentrates in bulk 105.0 via email in 1~3 business day abolished
YS/T 514.1-2006 Methods for chemical analysis of high-titanium slag and rutile The ammonium ferric sulfate volumetric method for the determination of titanium dioxide content 30.0 via email in 1~3 business day abolished
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method 75.0 via email in 1~3 business day abolished
YS/T 514.9-2006 Methods for chemical analysis of high-titanium slag and rutile The persulfate oxidation-arsenite volumetric method for the determination of manganous monoxide content 30.0 via email in 1~3 business day superseded
YS/T 53.1-1992 90.0 via email in 1~3 business day superseded
YS/T 950-2014 Methods for sampling and sample preparation of laterite nickel ores in bulk 375.0 via email in 1~5 business day valid
YS/T 418-2012 Nonferrous-metals concentrate products—Packing,marking,transporting and storing 120.0 via email in 1~3 business day valid
YS/T 514.6-2006 Methods for chemical analysis of high-titanium slag and rutile The barium sulfate gravimetric method for the determination of sulfur content 30.0 via email in 1~3 business day superseded
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