title: The analysis of solid and liquid high-purity substances.
abstract: 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.
authors.affiliation: Institute of Chemistry, USSR Academy of Sciences, Gorky, USSR.
authors.forename: G G
authors.initials: GG
authors.lastname: Devyatykh
authors.forename: Y A
authors.initials: YA
authors.lastname: Karpov