GB/T 18115.2-2000
Cerium oxide-Determination of lanthanum oxide,praseodymium oxide,neodymium oxide,samarium,oxide,europium oxide,gadolinium oxide,terbium oxide,dysprosium oxide,holmium oxide,erbium oxide,thulium oxide,ytterbium oxide,lutetium oxide and yttrium oxide conten (English Version)