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ISO 8603:1993

Solid fertilizers — Determination of urea nitrogen content — Gravimetric method using xanthydrol ISO 8603:1993

Publication date:   Jan 28, 1993

95.99   Withdrawal of Standard   Mar 6, 2007

General information

95.99   Withdrawal of Standard   Mar 6, 2007

ISO

ISO/TC 134 Fertilizers, soil conditioners and beneficial substances

International Standard

65.080   Fertilizers

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Scope

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.

Life cycle

NOW

WITHDRAWN
ISO 8603:1993
95.99 Withdrawal of Standard
Mar 6, 2007




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