ISO 3357:1975
ISO 3357:1975 Sodium tripolyphosphate and sodium pyrophosphate for industrial use – Determination of total phosphorus(V) oxide content – Quinoline phosphomolybdate gravimetric method
CDN $76.00
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.
Edition
1
Published Date
1975-09-01
Status
PUBLISHED
Pages
3
Language
English
Format
Secure PDF
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Abstract
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.
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