HI7091L Redox potential electrode reduction pretreatment solution (500 mL) is designed for conditioning and measuring the ORP electrode for reduction reactions. The liquid is formulated with reagent-grade chemicals and is equipped with a tamper-proof seal to ensure solution quality. Each bottle is clearly marked with the batch number and expiration date, and the sealing design effectively ensures the freshness and quality of the solution, and ensures the rapid response of the electrode.
| Redox potential calibration solution (ORP) bottle | ||
| Model | Calibration value (25°C) / application | Capacity (bottle) |
| HI7021L | 240mV | 500mL |
| HI7022L | 470mV | 500mL |
| HI7091L | Reduction pre-treatment solution | 500mL |
| HI7092L | Oxidation pre-treatment solution | 500mL |