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Withdrawn
Withdrawn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
04-01-1992
Withdrawn date
01-01-2008
Excluding Tax where applicable
Summarise this standard
AI-generated summary
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Withdrawn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 |
⚠
This standard has been withdrawn and is no longer current. No replacement edition is available.