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ISO 5314:1981

Fertilizers — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
1. 5. 1981.

Опште информације

90.92     19. 6. 2023.

ISO

ISO/TC 134

Međunarodni standard

65.080  

francuski   engleski  

Kupovina

Objavljen

Jezik na kome želite da primite dokument.

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

TRENUTNO

OBJAVLJEN
ISO 5314:1981
90.92 Odluka o izmeni ili reviziji standarda
19. 6. 2023.

REVIDIRAN OD

PROJEKAT
ISO/DIS 5314