Abstract

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%.

Spectrographic Procedure for Analysis of Powdered Samples of Unknown Origin

H. E. Biber and S. Levy
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The Spectrographic Determination of Small Amounts of Impurities in Magnesium Chloride*

Mabel F. Wilson
J. Opt. Soc. Am. 34(4) 229-233 (1944)

Theoretical aids for the determination of calorimetric curves of binary powder mixtures

H. S. Shah and A. A. Thaker
Appl. Opt. 29(7) 1034-1039 (1990)

Determination of elemental impurities in plastic calibration standards using laser-induced breakdown spectroscopy

Krishna K. Ayyalasomayajula, Dustin L. McIntyre, Jinesh Jain, Jagdish P. Singh, and Fang Yu-Yueh
Appl. Opt. 51(7) B143-B148 (2012)

The Influence of Varying Amounts of Elements in Steel and Cast Irons on Spectral Intensity

Lillian J. Canody, T. Harris, and J. F. Woodruff
J. Opt. Soc. Am. 43(2) 145-148 (1953)