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DIN 38409-44:1992-05
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DIN 38409-44:1992-05
German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of the chemical oxygen demand (COD), ranging from 5 to 50 mg/l (H 44)More info
The document describes 2 chemical methods for the determination of the chemical oxygen demand (COD) in water, for a range between 5 and 50 mg/l. There are given 2 variant methods for different chloride concentrations of the water. The examination works with potassium dichromate for oxydation and silversulfate as catalyzer in sulphuric acid solution.
| 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 | 16 |
| Replace | DIN 38409-44 (1990-12) |
| Set | Einheitsverfahren Wasser-1993 |
| Year | 1990 |
| Document history | DIN 38409-44 (1992-05) |
| Country | Germany |
| Keyword | DIN 38409;38409 |