Chemical analysis methods of gadolinium-magnesium alloy—Part 6:Determination of aluminum,calcium,copper,iron,nickle and silicon contents—Inductively coupled plasma atomic emission spectrometry
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method
Chemical analysis methods of rare earth concentrates - Part 9:Determination of phosphorus pentoxide content - Phosphorus-bismuth-molybdenum blue spectrophotometry