| Potassium iodide starch paper 816 N |
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| Quick and easy determination of nitrite and free chlorine |
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This test paper allows the quick and easy detection of strong oxidizers like nitrite and free chlorine. It also used to control diazotization reactions.
Nitrite or free chlorine oxidize potassium iodide to form elemental iodine which reacts with starch to a blue-violet complex.
Potassium iodide starch paper may be used by dipping it into the sample by applying drops of the sample to the paper.
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| Product data and ordering information |
| Type |
Qualitative test paper |
| Presentation |
Reel of 5 m length and 7 mm width |
| Color reaction |
white to blue-violet
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| Limit of sensitivity |
1 mg/l NO2– / 1 mg/l free Cl2 |
| Reference |
907 54 |