Determination of lead, uranium, thorium, and thallium in silicate glass standard materials by isotope dilution mass spectrometry
Analytical Chemistry
By: I. L. Barnes, E. L. Garner, J. W. Gramlich, L. J. Moore, T. J. Murphy, L. A. Machlan, W. R. Shields, Mitsunobu Tatsumoto, and R. J. Knight
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Abstract
A set of four standard glasses has been prepared which have been doped with 61 different elements at the 500-, 50-, 1-, and 0.02-ppm level. The concentrations of lead, uranium, thorium, and thallium have been determined by isotope dilution mass spectrometry at a number of points in each of the glasses. The results obtained from independent determinations in two laboratories demonstrate the homogeneity of the samples and that precision of the order of 0.5% (95% L.E.) may be obtained by the method even at the 20-ppb level for these elements. The chemical and mass spectrometric procedures necessary are presented.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Determination of lead, uranium, thorium, and thallium in silicate glass standard materials by isotope dilution mass spectrometry |
| Series title | Analytical Chemistry |
| DOI | 10.1021/ac60328a005 |
| Volume | 45 |
| Issue | 6 |
| Year Published | 1973 |
| Language | English |
| Publisher | ACS Publications |
| Description | 6 p. |
| First page | 880 |
| Last page | 885 |
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