Abstract
The simultaneous determination of sulphur and total carbon in 0.1–0.5 g samples of geological material has been achieved, using a Leco ® induction furnace with slight modifications to conventional attachments. The analyses are accomplished by initial removal of sulphur dioxide by absorption and titration, followed by collection of carbon dioxide in a gravimetric absorber. Accuracy and precision are similar to established individual combustion techniques and high levels of sulphur do not interfere with the carbon determination. Total analysis time is reduced considerably and the lifetime of some absorption components is extended.
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