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DIN 38414-9:1986-09
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DIN 38414-9:1986-09
German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the chemical oxygen demand (COD) (S 9)More info
The standard describes a chemical method for the determination of the chemical oxygen demand (COD) in sludge and sediment. The examination allows a quantization about the oxydizable substance-content in sludge or sediment.*The examination bases on the oxydation of the sample with potassium dichromate in a strong sulphuric-acid-solution. The not consumed dichromate-ions are to determine with iron(II)-ions by mensuration. With the result it is possible to compute the COD-value.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| Cancellation date | |
| Confirmation date | |
| expiration_de_validite | |
| ICS | 13.060.50 : Examination of water for chemical substances
|
| Number of pages | 8 |
| Replace | DIN 38414-9 (1985-03) |
| Set | Einheitsverfahren Wasser-1993 |
| Year | 1980 |
| Document history | DIN 38414-9 (1986-09) |
| Country | Germany |
| Keyword | DIN 38414;38414 |