Methods for chemical analysis of copper,lead,zinc original and tailing ores—Part 2:Determination of gold content—Separation and preconcentration by flow injection and 8531 fiber micro-column-the flame atomic absorption spectrum method
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
Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Terbium-Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium contents