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| WLN-CA.W.09.1 | Determination of the oxidability by means of potassium permanganate | equivalent to NEN 6491 (1984) |
| Principle: | The organic substances present in the water are partially or completely oxidized by potassium permanganate in a softly boiling acid solution. The surplus of potassium permanganate is indirectly determinedby titration. | |
| Determination: | @Permangenaatindex alkalisch | |
| Performance characteristics: | ||
| Reporting limit: | 0.2 mg O2/l, matrix dependent | |
| Measurement uncertainty: | 50% | |
| Sustainability: | 28 days , if frozen (otherwise 1 day) | |
| Sampling bottle: | Plastic , white , 250 ml (fill up to cap) | |
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