Analysis of Volatile Organic Solvents by Inductively Coupled Plasma Emission Spectrometry

Author: Nygaard Danton D.   Sotera John J.  

Publisher: Society for Applied Spectroscopy

ISSN: 0003-7028

Source: Applied Spectroscopy, Vol.41, Iss.4, 1987-05, pp. : 703-704

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Abstract

A recent survey of inductively coupled plasma (ICP) tolerance to organic solvents demonstrated analytical feasibility for many organic solvents that had previously been considered incompatible with the ICP. However, the most volatile organic solvents studied (hexane, benzene, acetone, and tetrahydrofuran) were found to be ICP-compatible only at extremely low sample uptake rates (as low as 0.1 mL/min); and at such low rates, the pulsating nature of the peristaltic sample delivery pump causes extreme oscillation in the plasma discharge. As a consequence, the plasma discharge becomes analytically useless. The same qualitative results were obtained for several additional highly volatile organic solvents (dichloromethane, methyl ethyl ketone, and trichlorotri-fluoroethane) during a survey of solvents used by the electronics industry.