title: Determination of Zn in high-purity GaAs with neutron activation analysis
abstract: Neutron activation analysis was used to analyse Zn concentrations in high-purity GaAs. A combination of chemical separation of the neutron-induced 65Zn from the GaAs-matrix with anion-exchange chromatography and ultra low-level gamma-ray spectrometry in an underground laboratory was applied. Zn concentration ranged from 2.1 to 51 ng g(-1), and detection limits from 0.018 to 0.059 ng g(-1) were obtained.
authors.affiliation: EC-JRC, Institute for Reference Materials and Measurements, Geel, Belgium.
authors.initials: M
authors.lastname: Kohler
authors.initials: AV
authors.lastname: Harms
authors.initials: D
authors.lastname: Alber