GB/T 18115.6-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Europium.Determination of lanthanum,cerium,praseodymium,neodymium,samarium,gadolinium, terbium,dysprosium,holmium,erbium,thulium, ytterbium, lutetium and yttrium cont (English Version)
This method specifies the content of lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide, lutetium oxide and yttrium oxide in europium oxide. test methods. This method is suitable for determining the contents of lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide, lutetium oxide and yttrium oxide in europium oxide. Determination. The measurement range is shown in Table 1. This method is also applicable to the determination of lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium content in metal europium.
2006GB/T 18115.7-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Gadolinium.Determination of lanthanum,cerium,praseodymium,neodymium,samarium,europium, terbium,dysprosium,holmium,erbium,thulium, ytterbium, lutetium and yttrium cont
1988GB/T 8762.7-1988 Europium oxide of phosphor grade--Determination of cerium oxide, praseodymium oxide, samarium oxide, gadolinium oxide and dysprosium oxide contents--Spectrochemical method and direct spectrographic method
GB/T 18115.6-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Europium.Determination of lanthanum,cerium,praseodymium,neodymium,samarium,gadolinium, terbium,dysprosium,holmium,erbium,thulium, ytterbium, lutetium and yttrium cont has been changed from GB/T 8762.7-1988 Europium oxide of phosphor grade--Determination of cerium oxide, praseodymium oxide, samarium oxide, gadolinium oxide and dysprosium oxide contents--Spectrochemical method and direct spectrographic method.
GB/T 18115.6-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Europium.Determination of lanthanum,cerium,praseodymium,neodymium,samarium,gadolinium, terbium,dysprosium,holmium,erbium,thulium, ytterbium, lutetium and yttrium cont has been changed from GB/T 8762.8-2000 Europium oxide-Determination of lanthanum oxide,cerium oxide,praseodymium oxide,neodymium oxide,samarium oxide,gadolinium oxide,terbium oxide,dysprosium oxide,holmium oxide,erbium oxide,thulium oxide,ytterbium oxide,lutetium oxide and yttrium oxide conten.