DIN 38409-20:1989-07
Withdrawn
Withdrawn
GERMAN STANDARD METHODS FOR THE EXAMINATION OF WATER, WASTE WATER AND SLUDGE; PARAMETERS CHARACTERIZING EFFECTS AND SUBSTANCES (GROUP H); DETERMINATION OF SUBSTANCES THAT REACT WITH DISULFINE BLUE (H 20)
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
07-01-1989
Withdrawn date
01-01-2016
Excluding Tax where applicable
Summarise this standard
AI-generated summary
Specifies disulfine blue that is suitable for establishing the spectrum and concentration of natural and synthetic cationic surface-active substances in water, fabric softeners in waste water being the main source of such agents ('surfactants', for short).
| DevelopmentNote |
Supersedes DIN 38409 (07/2004)
|
| DocumentType |
Standard
|
| Pages |
6
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Withdrawn
|
| Supersedes |
⚠
This standard has been withdrawn and is no longer current. No replacement edition is available.