Povučen
Application to products containing only nitrogenous copounds which are directly determinable by the Kjeldahl method. The method consists in destructing of organic matter by sulphuric acid in the presence of a catalyst, rendering of the reaction product alkaline, distillation and titration of the liberated ammonia.
POVUČEN
ISO 1871:1975
95.99
Povučen
14. 8. 2009.
OBJAVLJEN
ISO 1871:2009
Poljoprivredno-prehrambeni proizvodi - Opšta uputstva za određivanje azota metodom po Kjeldalu (identičan sa ISO 1871:1975)
95.99 Povučen