DIN EN 25663:1993
Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993

Standard No.

DIN EN 25663:1993

Release Date

1993

Published By

German Institute for Standardization

Status

Be replaced

Replace By

DIN EN 25663:1993-11

Latest

DIN EN 25663:1993-11

Scope

The document specifies a method for the determination of nitrogen by a Kjeldahl-type method. Only trivalent negative nitrogen is determined. This method is applicable to the analysis of raw, potable and waste waters. A Kjeldahl nitrogen content of up to 10 mg in the test portion may be determined.#,,#

DIN EN 25663:1993 history

• 1993 DIN EN 25663:1993-11 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
• 1993 DIN EN 25663:1993 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993