Norm

ISO 5314:1981 en

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

31,57

Over deze norm

Status Definitief
Aantal pagina's 4
Commissie Meststoffen
Gepubliceerd op 01-05-1981
Taal Engels
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.

Details

ICS-code 65.080
Nederlandse titel Fertilizers - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
Engelse titel Fertilizers - Determination of ammoniacal nitrogen content - Titrimetric method after distillation

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