The Estimation of Iron in Sands by the Spectrographic Method

JSGT 1936 V20 T326-T332

A summary is given of the methods available for the determination of iron in sands. Details are given of the spectrographic method, which possesses the advantage of rapidity and of yielding a permanent record. For iron contents greater than 0·1% an accuracy of 5% was possible. Spectral lines above 4000 Å permitted the determination with reasonable accuracy of iron contents lower than 0·1%.

P. Gilard, L. Dubrul & F. Jamar