Test 'N Tube Reagent Set measures chemical oxygen demand in water and other liquid solutions.
16 mm Test 'N Tube reagent set measures COD in the range of 3-150 mg/L O₂ in water and other liquid solutions. The product uses dichromate method (8000). Article 2125851 can be used for 25 tests. The product can be evaluated using DR900 colorimeter only.
Sample preparation
It is required to keep the collected sample at the temperature from +2 °C to +5 °C for short-term preservation (up to 24 hours). It is recommended to store the sample at the temperature of -18 °C for long-term conservation (up to 14 days). It is required to transport or keep the sample in the glass or polyethylene container. 2125851 Cuvette test storage conditions are between 15 °C and 25 °C (protected from light).
| Brand | Hach |
| Parameter | COD |
| Measuring range | 3-150 mg/L O₂ |
| Instrument | DR900 |
| Method | Dichromate method |
| Standard method | 8000 |
| Digestion required | No |
| Number of tests | 25 tests |
| Storage conditions | 15 °C - 25 °C (protected from light) |
