For determination of Dissolved Oxygen by the Winkler method and Digital Titrator titration. 2.0 N. Digits x 0.1 = mg/L DO in 200 mL sample. Digits x 0.00025 = meq.
| Method | Azide mod. of Winkler Method |
| Method Name | Iodometric |
| Method Number | 8209 |
| Number of tests | 40 – 100 |
| Parameter | Oxygen, Dissolved |
| Parameter | Chlorine, Total |
| Platform | Digital Titrator |
| Range | 2000 – 70000 mg/L Cl₂ |
| Range 2 | 10 – 100 mg/L DO |
| Titrant | 2.00 N Na2S2O3 |

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