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

ISO-4313 - 1ST EDITION - CURRENT


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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.

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Document Number

ISO 4313:1976

Revision Level

1ST EDITION

Status

Current

Publication Date

Nov. 1, 1976

Committee Number

ISO TC 91