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Determination of Small Amounts of an Element in a Powder without the Aid of Standard Samples

Volume 8, Number 2 (May 1954) Page 81-84

Gillis, J.; Eeckhout, J.

A new method of calibration for estimating an element in a powder sample without synthetic standard samples is described. Allowance is made for the possible effect of the state of combination of the element on relative line intensities, which might interfere with extrapolation from simple addition standards. The method has been tried on a sample of graphite from nodular cast iron, to estimate the Mg content, and has led to the construction of a working curve for the estimation of Mg in graphite in the range 0.1 to 1%.