Abstract

A method is described for the determination of total sulfur in samples that differ widely in nature and origin, such as aqueous solutions, coal, catalysts and other organic and inorganic materials. The samples are introduced into the heated part of a quartz tube, where the presence of tungsten trioxide in combination with an oxygen stream ensures complete decomposition of inorganic sulfur compounds. The sulfur dioxide formed is titrated microcoulometrically. Concentrations ranging from 1 mg kg -1 to several percent can be determined with a standard deviation of 1.5% relative.

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