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download between 0-24 hoursReleased: 1985
ISO 6598:1985
ISO 6598:1985-Fertilizers — Determination of phosphorus content — Quinoline phosphomolybdate gravimetric method
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Standard´s number: | ISO 6598:1985 |
Pages: | 3 |
Edition: | 1 |
Released: | 1985 |
DESCRIPTION
ISO 6598:1985
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.