Radiative-neutron-capture gamma-ray analysis by a linear combination technique
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Abstract
The linear combination technique, when applied to a gamma-ray spectrum, gives a single number indicative of the extent to which the spectral lines of a sought element are present in a complex spectrum. Spectra are taken of the sought element and of various other substances whose spectra interfere with that of the sought element. A weighting function is then computed for application to spectra of unknown materials. The technique was used to determine calcium by radiative-neutron-capture gamma-ray analysis in the presence of interfering elements, notably titanium, and the results were compared with those for two popular methods of peak area integration. Although linearity of response was similar for the methods, the linear combination technique was much better at rejecting interferences. For analyses involving mixtures of unknown composition the technique consequently offers improved sensitivity.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Radiative-neutron-capture gamma-ray analysis by a linear combination technique |
| Series title | Nuclear Instruments and Methods |
| DOI | 10.1016/0029-554X(72)90521-6 |
| Volume | 102 |
| Issue | 1 |
| Year Published | 1972 |
| Language | English |
| Publisher | Elsevier |
| Description | 12 p. |
| First page | 61 |
| Last page | 72 |
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