Abstract

The determination of cerium, lanthanum, neodymium, and praseodymium at major and minor levels in nickel- and iron-base hydriding alloys by inductively coupled plasma (ICP-AES) atomic emission spectrometry is investigated. Detection limits and spectral interference by major concomitant elements are discussed for nine spectral lines, and analytical line recommendations are made for both the nickel- and iron-base systems. The analytical effect of acid matrices and alkali elements are discussed, and results for several samples of each type are compared to those obtained by other techniques.

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