ISO 8603:1993 PDF
Solid fertilizers — Determination of urea nitrogen content — Gravimetric method using xanthydrol
Solid fertilizers — Determination of urea nitrogen content — Gravimetric method using xanthydrol
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 4
- Дата публикации:
- 28 января 1993 г.
- Издание:
- ISO IS 8603 edition 1 version 1
- ICS:
- 65.080
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.
Технические детали
- Технический комитет
- ISO/TC 134 - Fertilizers, soil conditioners and beneficial substances
- SKU
- ISO 8603:1993
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