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Derivative spectrophotometry of cobalt alloys

P.K. Spitsyn

Abstract

The method of derivative spectrophotometry is briefly described, and derivative absorption spectra are presented for samarium, cobalt, and commercial Sm-Co alloys. It is shown that the use of derivative spectrophotometry not only improves the accuracy and selectivity of element determinations but also simplifies the analysis of alloys. Results of a statistical evaluation of the metrological characteristics of the analytical procedure described here are presented. 8 references.

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Key concepts: Spectrophotometry, Derivative (finance), Cobalt, Samarium, Second derivative, Atomic absorption spectroscopy, Analytical Chemistry (journal), Chemistry