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DIN EN 25663:1993-11

Current
Current

The latest, up-to-date edition.

WATER QUALITY; DETERMINATION OF KJELDAHL NITROGEN; METHOD AFTER MINERALIZATION WITH SELENIUM
Available format(s)

Hardcopy , PDF

Language(s)

German, English

Published date

01-01-1993

Publisher

German Institute for Standardisation (Deutsches Institut für Normung)

Cooperating organizations
National foreword
Foreword
Text of EN 25663 - No contents section
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-reference

Specifies a method for the determination of nitrogen by a Kjeldahl-type method. Coverage includes reagents, apparatus, procedure, interferences and suggested procedure for removal of selenium from mineralisation residues.

DocumentType
Standard
Pages
11
PublisherName
German Institute for Standardisation (Deutsches Institut für Normung)
Status
Current

Standards Relationship
NF EN 25663 : 1994 Identical
NBN EN 25663 : 1994 Identical
BS EN 25663:1993 Identical
ISO 5663:1984 Identical
EN 25663 : 1993 Identical
SNV DIN EN 25663 : 1993 Identical
UNE-EN 25663:1994 Identical
I.S. EN 25663:1994 Identical
UNI EN 25663 : 1995 Identical

DIN ISO 15923-1:2014-07 WATER QUALITY - DETERMINATION OF SELECTED PARAMETERS BY DISCRETE ANALYSIS SYSTEMS - PART 1: AMMONIUM, NITRATE, NITRITE, CHLORIDE, ORTHOPHOSPHATE, SULFATE AND SILICATE WITH PHOTOMETRIC DETECTION (ISO 15923-1:2013)
DIN EN ISO 14855-1:2013-04 DETERMINATION OF THE ULTIMATE AEROBIC BIODEGRADABILITY OF PLASTIC MATERIALS UNDER CONTROLLED COMPOSTING CONDITIONS - METHOD BY ANALYSIS OF EVOLVED CARBON DIOXIDE - PART 1: GENERAL METHOD (ISO 14855-1:2012)
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
DIN EN ISO 14855-2:2009-10 DETERMINATION OF THE ULTIMATE AEROBIC BIODEGRADABILITY OF PLASTIC MATERIALS UNDER CONTROLLED COMPOSTING CONDITIONS - METHOD BY ANALYSIS OF EVOLVED CARBON DIOXIDE - PART 2: GRAVIMETRIC MEASUREMENT OF CARBON DIOXIDE EVOLVED IN A LABORATORY-SCALE TEST
DIN EN ISO 5667-3:2013-03 WATER QUALITY - SAMPLING - PART 3: PRESERVATION AND HANDLING OF WATER SAMPLES (ISO 5667-3:2012)

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Hardcopy - German
PDF - German
Hardcopy - English
PDF - English
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