Norm

ISO 3357:1975 en

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

31,57

Over deze norm

Status Definitief
Aantal pagina's 3
Gepubliceerd op 01-09-1975
Taal Engels
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.

Details

ICS-code 71.060.50
Nederlandse titel Sodium tripolyphosphate and sodium pyrophosphate for industrial use - Determination of total phosphorus(V) oxide content - Quinoline phosphomolybdate gravimetric method
Engelse titel Sodium tripolyphosphate and sodium pyrophosphate for industrial use - Determination of total phosphorus(V) oxide content - Quinoline phosphomolybdate gravimetric method

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