ISO 3357:1975
Current
The latest, up-to-date edition.
Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
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English, French
01-09-1975
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.
| Committee |
ISO/TC 47
|
| DevelopmentNote |
Also numbered as BS 4427-10(1976) (08/2005)
|
| DocumentType |
Standard
|
| Pages |
3
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| NBN EN 1207 : 2005 | Identical |
| NBN EN 1208 : 2005 | Identical |
| NBN T 03 299 : 1980 | Identical |
| NBN EN 1206 : 2005 | Identical |
| UNE 55558:1979 | Identical |
| UNE 55558:1979 | Not Equivalent |
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