Committee Draft
ISO/CD 5314
Fertilizers — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
Reference number
ISO/CD 5314
Edition 2
© ISO 2024
Committee Draft
Under development
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

  • Status
     : Under development
    Stage
    : Close of comment period [30.60]
  • Edition
     : 2
  • Technical Committee :
    ISO/TC 134
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goals

12
Responsible Consumption and Production
2
Zero Hunger
15
Life on Land

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