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SSH ISO 5314:1981

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

Oct 31, 2011

General information

60.60     Oct 31, 2011

DPS

DPS/KT 47

International Standard

65.080  

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Scope

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.

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PUBLISHED
SSH ISO 5314:1981
60.60 Standard published
Oct 31, 2011

Related project

Adopted from ISO 5314:1981