Issue 5, 1991

Determination of ultra-trace amounts of uranium and thorium in high-purity aluminium by inductively coupled plasma mass spectrometry

Abstract

A sensitive method is decribed for the simultaneous determination of ultra-trace amounts of uranium and thorium in high-purity aluminium by inductively coupled plasma mass spectrometry (ICP-MS). Uranium and thorium were separated from a sample solution of 10 mol dm–3 hydrochloric acid by extraction with a 10% v/v solution of tributyl phosphate in cyclohexane. The internal standard method was used for quantification by ICP-MS. For a sample mass of 10 g, the detection limits for uranium and thorium are 7 and 8 pg g–1, respectively.

Article information

Article type
Paper

Analyst, 1991,116, 501-504

Determination of ultra-trace amounts of uranium and thorium in high-purity aluminium by inductively coupled plasma mass spectrometry

K. Takeda, T. Yamaguchi, H. Akiyama and T. Masuda, Analyst, 1991, 116, 501 DOI: 10.1039/AN9911600501

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