Committee Draft
ISO/CD 5314
Fertilizers — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
Reference number
ISO/CD 5314
Edition 2
Committee Draft
ISO/CD 5314
87296
A draft is being reviewed by the committee.
Will replace ISO 5314:1981

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.

General information

  •  : Under development
    : CD consultation initiated [30.20]
  •  : 2
  • ISO/TC 134
  • RSS updates

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