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.
Status: WithdrawnPublication date: 1993-01
Edition: 1Number of pages: 4
Technical Committee: ISO/TC 134 Fertilizers, soil conditioners and beneficial substances
- ICS :
- 65.080 Fertilizers
ISO 8603:1993Stage: 95.99
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