International Standard
ISO 4313:1976
Washing powders — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
Reference number
ISO 4313:1976
ISO 4313:1976
Edición 1
1976-11
1976-11
© ISO 2024
International Standard
p
ISO 4313:1976
10182
No disponible en español
Publicado
(Edición 1, 1976)
Esta norma se revisó y confirmó por última vez en 2022.
Por lo tanto, esta versión es la actual.
Resumen
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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