ISO 3946:1982
Current
Starches and derived products — Determination of total phosphorus content — Spectrophotometric method
Hardcopy , PDF
English, French
12-01-1982
Destruction of the organic substances by digestion with a sulpho-nitric mixture and conversion of phosphates to orthophosphates. Formation of a phosphomolybdate. Measurement of the intensity of the blue colour at a wavelength of 825 nm. The method applies to contents up to 5 % (m/m).
| Committee |
ISO/TC 93
|
| DocumentType |
Standard
|
| Pages |
3
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| NF EN ISO 319946 : 1994 | Identical |
| NBN EN ISO 3946 : 1994 | Identical |
| NEN EN ISO 3946 : 1994 | Identical |
| NS EN ISO 3946 : 1ED 1994 | Identical |
| I.S. EN ISO 3946:1995 | Identical |
| PN EN ISO 3946 : 2000 | Identical |
| BS EN ISO 3946:1994 | Identical |
| EN ISO 3946:1994 | Identical |
| DIN ISO 3946:1986-12 | Identical |
| NFV 03 613 : 1983 | Identical |
| UNE-EN ISO 3946:1995 | Identical |
| ISO 11214:1996 | Modified starch — Determination of carboxyl group content of oxidized starch |
| EN ISO 11214:1996 | Modified starch - Determination of carboxyl group content of oxidized starch (ISO 11214:1996) |
| BS EN ISO 11214:1996 | Modified starch. Determination of carboxyl group content of oxidized starch |
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