NA 119
DIN Standards Committee Water Practice
DIN EN ISO 9408 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ISO 11923 | 1997-02 | Water quality - Determination of suspended solids by filtration through glass-fibre filters More |
| ISO 9887 | 1992-10 | Water quality; evaluation of the aerobic biodegradability of organic compounds in an aqueous medium; semi-continuous activated sludge method (SCAS) More |
