Повучен
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.
ПОВУЧЕН
ISO 1871:1975
95.99
Повучен
14. 8. 2009.
ОБЈАВЉЕН
ISO 1871:2009
Poljoprivredno-prehrambeni proizvodi - Opšta uputstva za određivanje azota metodom po Kjeldalu (identičan sa ISO 1871:1975)
95.99 Повучен