X-Ray Emission Spectroscopic Determination of Potassium in Sub-Milligram Mica Samples after Sample Treatment
1969
Weed, S. B. | Philen, O. D. | Leonard, R. A.
Potassium in submilligram-size samples of mica was satisfactorily determined by a thin-specimen, X-ray emission technique. The method utilizes Ti in the sample as an internal standard and involves the determination of the ratio KKα/TiKα. The technique provides a rapid and accurate means of determining K as a function of sample treatment, provided that the Ti content of the sample does not change.
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