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ISO 5314:1981
Fertilizers — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
Automatically translated name:
Fertilizers -- Determination of ammoniacal nitrogen content -- Titrimetric method after distillation
STANDARD published on 1.5.1981
The information about the standard:
Designation standards: ISO 5314:1981
Publication date standards: 1.5.1981
SKU: NS-432844
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 5314:1981 :
Description / Abstract: 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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