EN 25663:1993
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Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium (ISO 5663:1984)
Published date
30-09-1993
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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.
| Committee |
CEN/TC 230
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| PN EN 25663 : 2001 | Identical |
| ISO 5663:1984 | Identical |
| NS ISO 5663 : 1ED 1993 | Identical |
| SNV DIN EN 25663 : 1993 | Identical |
| UNE-EN 25663:1994 | Identical |
| I.S. EN 25663:1994 | Identical |
| UNI EN 25663 : 1995 | Identical |
| NF EN 25663 : 1994 | Identical |
| NBN EN 25663 : 1994 | Identical |
| BS EN 25663:1993 | Identical |
| NEN ISO 5663 : 1993 | Identical |
| DIN EN 25663:1993-11 | Identical |
| I.S. EN 16169:2012 | SLUDGE, TREATED BIOWASTE AND SOIL - DETERMINATION OF KJELDAHL NITROGEN |
| I.S. EN 12566-7:2016 | SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 7: PREFABRICATED TERTIARY TREATMENT UNITS |
| BS EN 12566-6:2013 | Small wastewater treatment systems for up to 50 PT Prefabricated treatment units for septic tank effluent |
| I.S. EN 12566-3:2016 | SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 3: PACKAGED AND/OR SITE ASSEMBLED DOMESTIC WASTEWATER TREATMENT PLANTS |
| BS EN ISO 14855:2004 | Determination of the ultimate aerobic biodegradability and disintegration of plastic materials under controlled composting conditions. Method by analysis of evolved carbon dioxide |
| EN 12566-6:2016 | Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent |
| EN 12566-3:2016 | Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants |
| EN 12566-7:2016 | Small wastewater treatment systems for up to 50 PT - Part 7: Prefabricated tertiary treatment units |
| EN 13342:2000 | Characterisation of sludges - Determination of Kjeldahl nitrogen |
| PREN 12566-6 : DRAFT 2015 | SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 6: PREFABRICATED TREATMENT UNITS FOR SEPTIC TANK EFFLUENT |
| UNI EN 16169 : 2012 | SLUDGE, TREATED BIOWASTE AND SOIL - DETERMINATION OF KJELDAHL NITROGEN |
| VDI 3478 Blatt 1:2011-03 | Biological waste gas purification - Bioscrubbers |
| VDI 4631:2011-02 | Quality criteria for biogas plants |
| VDI 4630:2016-11 | Fermentation of organic materials - Characterization of the substrate, sampling, collection of material data, fermentation tests |
| I.S. EN ISO 14855:2004 | DETERMINATION OF THE ULTIMATE AEROBIC BIODEGRADABILITY AND DISINTEGRATION OF PLASTIC MATERIALS UNDER CONTROLLED COMPOSTING CONDITIONS - METHOD BY ANALYSIS OF EVOLVED CARBON DIOXIDE |
| 16/30329422 DC : 0 | BS EN 12566-7 - SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 7: PREFABRICATED TERTIARY TREATMENT UNITS |
| BS EN 16169:2012 | Sludge, treated biowaste and soil. Determination of Kjeldahl nitrogen |
| DIN EN 16169:2012-11 | SLUDGE, TREATED BIOWASTE AND SOIL - DETERMINATION OF KJELDAHL NITROGEN |
| UNE-EN 12566-6:2017 | Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent |
| BS EN 12566-7:2013 | Small wastewater treatment systems for up to 50 PT Prefabricated tertiary treatment units |
| PREN 12566-7 : DRAFT 2015 | SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 7: PREFABRICATED TERTIARY TREATMENT UNITS |
| UNE-EN 12566-7:2017 | Small wastewater treatment systems for up to 50 PT - Part 7: Prefabricated tertiary treatment units |
| UNE-EN 12566-3:2017 | Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants |
| BS EN 12566-3 : 2005 | SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 3: PACKAGED AND/OR SITE ASSEMBLED DOMESTIC WASTEWATER TREATMENT PLANTS |
| ISO 14855:1999 | Determination of the ultimate aerobic biodegradability and disintegration of plastic materials under controlled composting conditions Method by analysis of evolved carbon dioxide |
| BS EN 13342:2000 | Characterization of sludges. Determination of Kjeldahl nitrogen |
| EN 16169:2012 | Sludge, treated biowaste and soil - Determination of Kjeldahl nitrogen |
| EN ISO 14855:2004 | Determination of the ultimate aerobic biodegradability and disintegration of plastic materials under controlled composting conditions - Method by analysis of evolved carbon dioxide (ISO 14855:1999) |
| 16/30329428 DC : 0 | BS EN 12566-6 - SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 6: PREFABRICATED TREATMENT UNITS FOR SEPTIC TANK EFFLUENT |
| 16/30329416 DC : 0 | BS EN 12566-3 - SMALL WASTEWATER TREATMENT SYSTEMS UP TO 50 PT - PART 3: PACKAGED AND/OR SITE ASSEMBLED DOMESTIC WASTEWATER TREATMENT PLANTS |
| I.S. EN 12566-6:2016 | SMALL WASTEWATER TREATMENT SYSTEMS FOR UP TO 50 PT - PART 6: PREFABRICATED TREATMENT UNITS FOR SEPTIC TANK EFFLUENT |
| DIN EN ISO 14855:2004-10 | DETERMINATION OF THE ULTIMATE AEROBIC BIODEGRADABILITY AND DISINTEGRATION OF PLASTIC MATERIALS UNDER CONTROLLED COMPOSTING CONDITIONS - METHOD BY ANALYSIS OF EVOLVED CARBON DIOXIDE |
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