DIN 38409-20:1989-07
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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)
Hardcopy , PDF
01-01-2016
English
12-01-2013
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Withdrawn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 |
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