DIN 38409-28:1992-04
Withdrawn
Withdrawn
GERMAN STANDARD METHODS FOR THE EXAMINATION OF WATER, WASTE WATER AND SLUDGE; PARAMETERS CHARACTERIZING EFFECTS AND SUBSTANCES (GROUP H); DETERMINATION OF BOUND NITROGEN AFTER REDUCTION WITH DEVARDA'S ALLOY AND CATALYTIC DIGESTION (H 28)
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
01-12-2013
Withdrawn date
01-01-2008
Excluding Tax where applicable
Determines nitrogen present in water in the form of organic nitrogen compounds, nitrate, nitrite and ammonia, in concentrations by mass ranging from 10 1) to 200 mg/l. For lower concentrations, the sample pre-treatment and distillation procedure may be adopted, but the determination shall be carried out photometrically, using method DIN 38406 E 5-1. Higher concentrations may be determined by reducing the sample volume.
| DevelopmentNote |
Supersedes DIN 38409 (07/2004)
|
| DocumentType |
Standard
|
| Pages |
6
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Withdrawn
|
| Supersedes |
| Standards | Relationship |
| ISO 10048:1991 | Corresponds |
| ISO 10048:1991 | Identical |
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