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immediate downloadReleased: 1976-11-01
ISO 4313:1976
ISO 4313:1976 - Washing powders — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
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| Standard´s number: | ISO 4313:1976 |
| Edition: | 1 |
| Released: | 1976-11-01 |
| Pages (English): | 3 |
| Pages (French): | 3 |
DESCRIPTION
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.
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