The analysis of solid and liquid high-purity substances.
This paper reviews the problems of atomic-spectrometry, mass-spectrometry and activation methods in elemental analysis of high-purity substances. The specific techniques of sample preparation, preconcentration of impurities and the determination of gas-forming trace elements are discussed.
Devyatykh
G G
GG
Institute of Chemistry, USSR Academy of Sciences, Gorky, USSR.
Karpov
Y A
YA