Abstract Preview

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 :  Published
    Publication date : 1981-05
  • Edition : 1
    Number of pages : 4
  • :
    ISO/TC 134
    Fertilizers, soil conditioners and beneficial substances
  • 65.080

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Format Language
  • CHF38

Life cycle

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