ISO 8603:1993
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ISO 8603:1993
15908

Abstract 

The principle of the method specified is precipitation of the urea with xanthydrol in acetic acid solution, filtration of the dixanthylurea precipitate, drying, and weighing. This method is not applicable to fertilizers containing cyanamide or the condensation products of urea and aldehydes.


General information 

  •  :  Withdrawn
     : 1993-01
  •  : 1
     : 4
  •  : ISO/TC 134 Fertilizers, soil conditioners and beneficial substances
  •  :
    65.080 Fertilizers

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