NEN-EN 13342
Characterisation of sludges - Determination of Kjeldahl nitrogen
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 September 2000 |
| Status: | active |
| Page Count: | 17 |
| ICS Code (Liquid wastes. Sludge): | 13.030.20 |
scope:
Describes a procedure for the determination of "Kjeldahl Nitrogen" in sludge and sludge products. The digestion is catalysed by selenium or copper, the temperature being raised by a high concentration of sodium sulfate.
Document History
NEN-EN 13342
September 1, 2000
Characterisation of sludges - Determination of Kjeldahl nitrogen
Describes a procedure for the determination of "Kjeldahl Nitrogen" in sludge and sludge products. The digestion is catalysed by selenium or copper, the temperature being raised by a high...
September 1, 1998
Characterization of sludges - Determination of total Kjeldahl nitrogen in sludge
Describes a procedure for the determination of "Kjeldahl Nitrogen" in sludge and sludge products. The digestion is catalysed by selenium or copper, the temperature being raised by a high...