DIN Standards Committee Water Practice
Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium
Abstract
Specifies a procedure for the determination of trivalent negative nitrogen. Organic nitrogen in the form of azide, azine, azo, hydrazone, nitrite, nitro, nitroso, oxime or semicarbazone is not determined quantitatively. The procedure is applicable to the analysis of raw, potable and waste waters.
Begin
2025-03-15
WI
00230463
Planned document number
prEN ISO 5663 rev
Responsible national committee
NA 119-09 FBR - Water quality (CEN/TC 230, ISO/TC 147)