Chemical analysis methods of silicon-based rare earth ferroalloy and RE-Mg ferro-silicon alloy—Part 1: Determination of total rare earth and fifteen rare earth elements contents
Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 2: Determination of lanthanum, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium content in cerium metal and oxide
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 21：Determination of sulfate radical content in rare earth oxides—Barium sulfate turbidimetry
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