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ISO 6598:1985

Fertilizers — Determination of phosphorus content — Quinoline phosphomolybdate gravimetric method ISO 6598:1985

Publication date:   Sep 19, 1985

General information

90.93 Standard confirmed   Mar 13, 2023

ISO

ISO/TC 134 Fertilizers, soil conditioners and beneficial substances

International Standard

65.080   Fertilizers

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 6598:1985
90.93 Standard confirmed
Mar 13, 2023