Abstract
The principle of the method consists inevaporation of a test portion in a platinum dish, conversion of the residue to sulphates by treatment with sulphuric acid; ignition in an electric furnace, controlled at (800 +- 25) °C, and weighing. Replaces ISO Recommendation R 1983-1971.
General information
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Status : WithdrawnPublication date : 1977-11
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Edition : 1Number of pages : 2
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- ICS :
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Acids
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