Method for Combustion Analysis of Samples in a Combustion Analyzer
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United States of America Patent
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app pub date -
Mar 11, 2014
filing date -
Dec 29, 2006
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Abandoned
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Abstract
A method for combustion analysing a sample in a combustion analyzer (120,160,180) is provided, where the sample comprises a proportion of sulphur. The sample is supplied to the combustion analyzer and combusted to produce combustion products, comprising a yield of sulphur dioxide for detection. Nitrogen monoxide or a source of nitrogen monoxide is supplied to the combustion analyzer to improve the yield of sulphur dioxide in the combustion products. The yield improver may be supplied before and/or during the combusting step. A proportion of yield improver is preferably greater than the (expected) proportion of sulphur. Ozone may be supplied to the combustion products to convert at least a proportion of any nitrogen monoxide in the combustion products to nitrogen dioxide, before detection.
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