The method consists in precipitating, after hydrolysis if necessary, of orthophosphate ions in the form of quinoline phosphomolybdate, in an acid medium and in the presence of acetone, at approximately 75 °C, followed by filtrating, washing drying and weighing of the precipitate obtained.
Status: PublishedPublication date: 1985-09
Edition: 1Number of pages: 3
Technical Committee: ISO/TC 134 Fertilizers, soil conditioners and beneficial substances
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