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.

SDO:

ISO

Language:

English

ICS Codes:

71.100.40

Status:

Published

Publish date:

1976-10-31

Standard Number:

ISO 4313:1976