Abstract
The presence of gaseous non-sulphur-containing organic compounds in a carrier gas causes a decrease in the response of flame photometric detectors. The way in which such organic compounds interfered with the response of sulphur-containing compounds in the flame photometric detector was determined. The interference by organic compounds increases exponentially with increased in concentration of the substances. The interference by an organic compound is, however, independent of the concentration of sulphur-containing compounds in the presence of a certain concentration of the organic compound, and it was found that the decrease in the response of a flame photometric detector can be explained by inactivation of the excited S, species by its combination or collision with and/or its degradation products.
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