SN 0065.3-1992 Method for determination of total rare earth qxides contentfor export Europium-Rich,Yttrium-Rich,Sm-Eu-Gd qxides.Gravimetric method (English Version)
2011SN/T 0065.3-2011 Determination of europium-rich, yttrium-rich, samarium-europium-gadolinium oxides for import and export Part 3: Determination of the total amount of rare earth oxides
1992SN 0065.3-1992 Method for determination of total rare earth qxides contentfor export Europium-Rich,Yttrium-Rich,Sm-Eu-Gd qxides.Gravimetric method
SN 0065.3-1992 Method for determination of total rare earth qxides contentfor export Europium-Rich,Yttrium-Rich,Sm-Eu-Gd qxides.Gravimetric method was changed to SN/T 0065.3-2011 Determination of europium-rich, yttrium-rich, samarium-europium-gadolinium oxides for import and export Part 3: Determination of the total amount of rare earth oxides.