Abstract
A procedure for the instrumental neutron activation analysis of micro-ingots of alloys containing In, Sb, Au, Ga, Ni, Sn and Bi is proposed. The non-destructive analysis of the irradiated samples is performed by γ-spectrometry techniques including one-crystal scintillation detectors, dual-crystal sum-coincidence scintillation detectors and Ge(Li) semiconductor detectors. As a result, the cumbersome operations of radiochemical separation can be eliminated. The sensitivity of quantitative determinations using scintillation detectors in alloys of the above composition is 10−10 g for indium, gold, antimony and gallium and 10−6 g for nickel and tin. The use of semiconductor detectors yields sensitivities of 10−10 g for indium and gold and 10−9 g for gallium and antimony.
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References
N. A. Vartanov, P. S. Samoilov, Prikladnaya Stsintillyatsionnaya Gamma-spektrometriya. Atomizdat, Moscow, 1969.
N. N. Rodin, M. A. Dembrovskii, Tezisy Dokladov na Vses. Konf. XX Let Proizvodstva i Primenen. Izotopov i Istochnikov Yadernikh Izluchenii v Narodnom Khoz. SSSR. Atomizdat, Moscow, 1968, p. 30.
V. G. Lambrev, N. N. Rodin, I. F. Yazikov, V. V. Nekrasov, M. A. Dembrovskii, V. V. Krasivichev, Tezisy Dokladov na Vses. Konf. XX Let Proizvodstva i Primenen. Izotopov i Istochnikov Yadernikh Izluchenii v Narodnom Khoz. SSSR, Atomizdat, Moscow, 1968, p. 30.
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Lambrev, V.G., Nekrasov, V.V., Akalaev, G.G. et al. Instrumental activation analysis for determining the composition of micro-ingots of multi-constituent alloys. J. Radioanal. Chem. 6, 431–436 (1970). https://doi.org/10.1007/BF02513970
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DOI: https://doi.org/10.1007/BF02513970