ISO 5397:1984
Current
The latest, up-to-date edition.
Leather — Determination of nitrogen content and "hide substance" — Titrimetric method
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English, French
01-03-1984
The principle consists in decomposition of a test portion by Kjeldahl method, distillation of the ammonia liberated, determination of the nitrogen content by titration of the ammonia with sulfuric or hydrochloric acid, using phenolphthalein as indicator. The method is applicable to all types of leather in all types of tannage.
| Committee |
IULTCS
|
| DocumentType |
Standard
|
| Pages |
3
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| IS 582 : Part 12 : 2022 | Identical |
| DIN 53308:1968-10 | Identical |
| NFG 52 206 : 1976 | Similar to |
| UNE 59018:1986 | Identical |
| DIN 53308:1968-10 | Corresponds |
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