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ISO 4313:1976

Washing powders — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method

Nov 1, 1976

General information

90.93     Aug 29, 2022

ISO

ISO/TC 91

International Standard

71.100.40  

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Scope

The determination is carried out in the following way: Hydrolysis of polyphosphates by nitric acid. Precipitation of phosphates in the form of quinoline phosphomolybdate in acetone solution. Drying and weighing of the precipitate.

Life cycle

NOW

PUBLISHED
ISO 4313:1976
90.93 Standard confirmed
Aug 29, 2022

National adoptions

Washing powders — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method

90.93   Standard confirmed

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