717381

ISO 3357:1975

Sodium tripolyphosphate and sodium pyrophosphate for industrial use -- Determination of total phosphorus(V) oxide content -- Quinoline phosphomolybdate gravimetric method

standard by International Organization for Standardization , 09/01/1975

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Full Description

Based on hydrolysis of a test portion by prolonged boiling in the presence of hydrochloric acid. Precipitation of the phosphate ions in the form of quinoline phosphomolybdate in the presence of acetone. Filtration by means of a filter crucible, washing, drying and weighing of the precipitate.

 

Product Details

Published:
09/01/1975
Number of Pages:
3
File Size:
1 file , 270 KB
Same As:
BS 4427-10:1976
Note:
This product is unavailable in Ukraine, Russia, Belarus