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

  • Status :  Withdrawn
    Publication date : 1993-01
  • Edition : 1
    Number of pages : 4
  • :
    ISO/TC 134
    Fertilizers, soil conditioners and beneficial substances
  • 65.080

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