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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
GB/T 18114.1-2000 Methods for chemical analysis of monazite concentrates-Determination of total rare earth and thorium oxide content 15.0 via email in 1~3 business day abolished
YS/T 254.3-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 3:Determination of phosphorus content—Phosphomlybdium vanadic acid spectrophotometry 120.0 via email in 1~3 business day valid
YS/T 358.3-2011 Methods for chemical analysis of tantalite,columbite concentrate—Part 3:Determination of silicon dioxide content—Silicomolybdenum blue spectrophotometry and gravimetry 180.0 via email in 1~3 business day valid
YS/T 231-2007 Tungsten concentrate 90.0 via email in 1~3 business day superseded
SN/T 1337.2-2003 Methods for chemical analysis of titanium concentrate for import and export - Determination of chromium sesquioxide content 60.0 via email in 1~3 business day valid
GB/T 27682-2011 Copper slag concentrate 120.0 via email in 1~3 business day valid
GB/T 17415.1-2010 Methods for chemical analysis of tantalum and niobium ores—Part 1:Determination of tantalum content 120.0 via email in 1~3 business day valid
YS/T 360-1994 90.0 via email in 1~3 business day abolished
YS/T 358.12-2012 Methods for chemical analysis of tantalite columbite concentrate—Part 12:Determination of water content-Gravimetric method 120.0 via email in 1~3 business day valid
SN/T 1337.1-2003 Methods for chemical analysis of titanium concentrate for import and export - Determination of vanadium pentaoxide content 75.0 via email in 1~3 business day valid
GB/T 17415.2-1998 Methods for chemical analysis of Tantalum and Niobium ores-Determination of Niobium content-Preconcentration and separation with silica gel-Thiocyanate extraction photometric method 45.0 via email in 1~3 business day superseded
YS/T 358.5-2011 Methods for chemical analysis of tantalite,columbite concentrate—Part 5:Determination of uranium content—Inductively coupled plasma atomic emission spectrometry 120.0 via email in 1~3 business day valid
YS/T 358.10-2011 Methods for chemical analysis of tantalite,columbite concentrate—Part 10:Determination of tin content—Potassium iodate titrimetric method 120.0 via email in 1~3 business day valid
XB/T 105-2011 Xenotime concentrate 120.0 via email in 1~3 business day valid
YS/T 947-2013 Molybdenum Concentrate Recovered in the Process of Non-ferrous Metal Ore Dressing 120.0 via email in 1~3 business day valid
YB/T 4031-2006 Titanium concentrate(rock minerals) 75.0 via email in 1~3 business day valid
GB/T 18114.6-2000 Methods for chemical analysis of monazite concentrates-Determination of sillicon oxide content 15.0 via email in 1~3 business day abolished
YS/T 254.5-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 5:Determination of fluorine content—Ion selective electrode method 120.0 via email in 1~3 business day valid
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