ISO 4313:1976

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

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.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.100.40

Statut:

Publié

Date de Publication:

1976-10-31

Numéro Standard:

ISO 4313:1976