ISO 5314:1981
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ISO 5314:1981
11321

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 

  •  :  Published
     : 1981-05
  •  : 1
     : 4
  •  : ISO/TC 134 Fertilizers, soil conditioners and beneficial substances
  •  :
    65.080 Fertilizers

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