译：GB/T 18115.3-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Praseodymium—Determination of lanthanum, cerium, neodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,erbium, thulium, ytterbium, lutetium and yttrium contents

译：GB/T 18115.5-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Samarium—Determination of lanthanum,cerium,praseodymium,neodymium,europium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium,lutetium and yttrium contents

译：GB/T 18115.4-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Neodymium—Determination of lanthanum,cerium,praseodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium,lutetium and yttrium contents

译：GB/T 18115.12-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Yttrium—Determination of lanthanum,cerium,praseodymium,neodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium and lutetium contents

译：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 contents

译：GB/T 18115.2-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Cerium—Determination of lanthanum,praseodymium,neodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium,lutetium and yttrium contents

译：GB/T 18115.1-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Lanthanum—Determination of cerium,praseodymium,neodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium,lutetium and yttrium contents

译：GB/T 18115.10-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Holmium—Determination of lanthanum,cerium,praseodymium,neodymium,samarium,europium,gadolinium,terbium,dysprosium,erbium,thulium,ytterbium,lutetium and yttrium contents

译：GB/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 contents

译：GB/T 18115.11-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Erbium—Determination of lanthanum,cerium,praseodymium,neodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,thulium,ytterbium,lutetium and yttrium contents