Comparison of Serum Magnesium Values by Photometric, Fluorometric, Atomic Absorption, and Flame Emission Methods

Abstract
Magnesium was determined on aliquots of the same serum by atomic absorption and flame emission spectrophotometry, by Titan Yellow and Magon photometry, and by 8-hydroxy-quinoline and 8-hydroxy-quinoline-sulfonate fluorometry. Comparison is presented of reproducibility of results by the various methods and of the normal values obtained.

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