DIN Standards Committee Water Practice
DIN EN 25663
Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
Wasserbeschaffenheit; Bestimmung des Kjeldahl-Stickstoffs; Verfahren nach Aufschluß mit Selen (ISO 5663:1984); Deutsche Fassung EN 25663:1993
Document: references other documents
Document: referenced in other documents
Responsible national committee
NA 119-01-03 AA - Water quality (CEN/TC 230, ISO/TC 147)
Responsible european committee
Responsible international committee
ISO/TC 147/SC 2 - Physical, chemical and biochemical methods