Determination of neodymium and boron in iron-neodymium-boron alloys by direct-current plasma atomic-emission spectrometry.
Rapid, accurate methods for the determination of neodymium and boron in iron-neodymium-boron alloys are presented. The procedure involves dissolution of the alloy with nitric acid and measurement of the elemental concentrations by direct-current plasma atomic-emission spectrometry. Lithium is added in the determination of neodymium, to control interferences. The relative standard deviations are approximately 1%, and the accuracies comparable to those obtained by classical chemical methods.
Potter
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NM
Analytical Chemistry Department, General Motors Research Laboratories, Warren, Michigan 48090, U.S.A.
Vergosen
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HE