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ISO 4313:1976

Washing powders -- Determination of total phosphorus(V) oxide content -- Quinoline phosphomolybdate gravimetric method
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ISO 4313:1976

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

PUBLISH DATE 1976
ISO 4313:1976

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: International Organization for Standardization
Document Number ISO 4313
Publication Date Nov. 1, 1976
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 91
Publish Date Document Id Type View
Nov. 1, 1976 ISO 4313:1976 Revision