Norm

ISO 5397:1984 en

Leather - Determination of nitrogen content and "hide substance" - Titrimetric method

31,57

Over deze norm

Status Definitief
Aantal pagina's 3
Commissie Gereedschappen
Gepubliceerd op 01-03-1984
Taal Engels
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.

Details

ICS-code 59.140.30
Nederlandse titel Leather - Determination of nitrogen content and "hide substance" - Titrimetric method
Engelse titel Leather - Determination of nitrogen content and "hide substance" - Titrimetric method

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