Research note
The determination of I, P, B, S, As and Sn by inductively coupled plasma emission spectroscopy using lines at vacuum ultra-violet wavelengths

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Abstract

The application of ICP atomic emission spectroscopy (ICP-AES) for the quantitative determination of I, P, B, S, As and Sn with the aid of their lines between 170 and 200 nm is described. The spectrometer used was kept under vacuum at a pressure below 0.1 Pa and the optical path was purged with Ar gas (99.99% pure) at a flow rate of 3.5 l min−1. The analytical method investigated was applied to the determination of the stated elements in iron and steel and in sea water. No spectral interferences from the close lines of the various concomitants were observed, nor matrix effects from Fe or K, Na, Mg and Ca at the concentration levels found in steel samples or sea water.

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