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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 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
XB/T 101-2011 Iron ore with high rare earth content 120.0 via email in 1~3 business day valid
GB/T 17414.2-2010 Method for chemical analysis of beryllium ores—Part 2:Determination of beryllium content—Catalytic polarographic method 110.0 via email in 1~3 business day valid
YS/T 360-1994 90.0 via email in 1~3 business day superseded
YS/T 231-2007 Tungsten concentrate 90.0 via email in 1~3 business day superseded
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 abolished
GB/T 17417.1-2010 Method for chemical analysis of rare earth ores—Part 1:Determination of rare earths 150.0 via email in 1~3 business day valid
YS/T 358.8-2011 Methods for chemical analysis of tantalite,columbite concentrate—Part 8:Determination of ferrous content—Potassium dichromate titrimetric method 120.0 via email in 1~3 business day valid
GB/T 17413.1-2010 Methods for chemical analysis of lithium、rubidium and cesium ores—Part 1:Determination of lithium content 110.0 via email in 1~3 business day valid
YS/T 358.1-2011 Methods for chemical analysis of tantalite,columbite concentrate—Part 1:Determination of tantalum and niobium content—Gravimatric of paper chromatography method 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
GB/T 17416.1-2010 Method for chemical analysis of zirconium ores—Part 1:Determination of zirconium-hafnium oxide content 110.0 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 superseded
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
GB/T 17416.2-1998 Method for chemical analysis of Zirconium ores-Determination of Zirconium and Hafnium contents-X-ray fluorescence spectrometric method 90.0 via email in 1~3 business day abolished
GB/T 7739.4-1987 Methods for chemical analysis of gold concentrates; The iodometric method for the determination of arsenic content 30.0 via email in 1~3 business day superseded
GB/T 17415.2-2010 Methods for chemical analysis of tantalum and niobium ores—Part 2:Determination of niobium content 110.0 via email in 1~3 business day valid
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