Feature :
- This test 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.
- Nitrite or free chlorine oxidize. Potassium iodide starch paper may be used by dipping it into the sample or by applying drops of the sample onto the paper.
- Limit of sensitivity: 1 mg/l NO2– 1 mg/l free Cl2
- Colour change: White – Blue/Violet
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