For determination of alkalinity by Digital Titrator titration. Hach method 8203. 0.1600 N Sulfuric Acid. Digits = mg/L CaCO3 in 100 mL, Digits x 0.0002 = meq. Approximately 40-100 tests.
| EPA compliant | Yes |
| Method | Verde de bromcresol/rojo de metilo |
| Method Name | Phenolphthalein |
| Method Number | 8203 |
| Number of tests | 40 – 100 |
| Parameter | Alkalinity, Total |
| Parameter | Alkalinity |
| Platform | Digital Titrator |
| Range | 10 – 160 mg/L CaCO₃ |
| Titrant | 0.1600 N H2SO4 |

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