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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)
Summary
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.
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 05/01/1992 |
| Page Count | 16 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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