ISO 8603:1993
$12.35
Solid fertilizers — Determination of urea nitrogen content — Gravimetric method using xanthydrol
| Published By | Publication Date | Number of Pages |
| ISO | 1993-01 | 7 |
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.
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