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ISO/FDIS 5314

Fertilizers — Determination of ammoniacal nitrogen content — Titrimetric method after distillation

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50.00     1. 6. 2026.

ISO

ISO/TC 134

Međunarodni standard

65.080  

Apstrakt

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.

Životni ciklus

PRETHODNO

OBJAVLJEN
ISO 5314:1981

TRENUTNO

PROJEKAT
ISO/FDIS 5314
50.00 Evidentiranje podataka o definitivnom tekstu nacrta standarda
1. 6. 2026.