For determination of Dissolved Oxygen by Winkler Method Digital Titrator titration. 0.200 N Na2S2O3. Digits x 0.01 = mg/L DO in 200 mL sample, Digits x 0.00025 = meq.
| Method Name | Azide mod. of Winkler Method |
| Method Number | 8215 |
| Number of tests | 40 – 100 |
| Parameter | Oxygen, Dissolved |
| Platform | Digital Titrator |
| Range | 1 – 10 mg/L DO |
| Titrant | 0.200 N Na2S2O3 |

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