The principle of the method consists in evaporation of a test portion; conversion of the salts in sulphates by treatment with sulphuric acid. Ignition in an electric furnace, maintained at (800 +- 50) °C, and weighing. Replaces ISO Recommendation R 907-1968.
Status : WithdrawnPublication date : 1976-11
Edition : 1Number of pages : 2
A standard is reviewed every 5 years
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