EN ISO 11905-1:1998 PDF
Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997)
Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997)
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 16
- Дата публикации:
- 20 мая 1998 г.
- Издание:
- CEN EN 31905 edition 1 version 1
- ICS:
- 13.060.01
This international/European standard specifies a method for the determination of nitrogen present in water, in the form of free ammonia, ammonium, nitrite, nitrate and organic nitrogen compounds capable of conversion to nitrate under the oxidative conditions described. Dissolved nitrogen gas is not determined by this method.
Abstract
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