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Potassium iodide starch paper allows the quick and easy detection of strong oxidizers such as nitrite and free chlorine. Potassium iodide starch paper is also used to control diazotization reactions.
| Platform | Qualitative test paper |
| Parameter | Chlorine (free), Nitrite |
| Detection limit | Free chorine - 1 mg/L Cl₂, Nitrite - 1 mg/L NO₂⁻ |
| Color change | Chlorine - white → blue-violet, Nitrite - white → blue-violet |
| Length | 70 mm |
| Width | 20 mm |
| Shelf life (from production) | 2 Years |
| Storage temperature | 4−30 °C |
| Scope of delivery | 200 test strips in a plastic box |
| Hazardous material | No |
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