The method consists in distilling of the ammonia from an alkaline solution, absorbing in an excess of standard volumetric sulphuric acid solution and back-titrating with standard volumetric sodium hydroxide solution. It is applicable only in the absence of urea or its derivatives, of cyanamide and of organic nitrogenous compounds.
ОБЈАВЉЕН
ISO 5314:1981
ПРОЈЕКАТ
ISO/FDIS 5314
50.00
Евидентирање података о дефинитивном тексту нацрта стандарда
1. 6. 2026.