Evaluation of the calibration matrix condition number as a criterion for optimal derivative-spectrophotometric multicomponent quantitation |
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| Authors: | L.L. Juhl J.H. Kalivas |
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| Affiliation: | Department of Chemistry, Idaho State University, Pocatello, ID 83209 U.S.A. |
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| Abstract: | A criterion is described that will help predict the optimal derivative order to be used for a given quantitative procedure. The procedure is tested with a two-component sample of acid-base indicators at pH 4 and pH 6. The method predicted that the second derivative should be used at pH 4 while the first derivative is optimal at pH 6. |
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