ISO/AWI 5314
Fertilizers — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
Reference number
ISO/AWI 5314
Edition 2
© ISO 2024
Working draft
Under development
A working group has prepared a draft.
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
    : New project registered in TC/SC work programme [20.00]
  • 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

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

  2. Store
  3. Standards catalogue
  4. ICS
  5. ISO/AWI 5314