Quick and easy determination of nitrite and free chlorine

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 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 or by applying drops of the sample onto the paper. To detect gaseous oxidizers, the paper is moistened with distilled water and then exposed to the gas in question. 

816 N 
The 816 N version comes in a classic test paper reel. You can choose the required test paper length simply by tearing the paper. Thus, MN 816 N is especially suited to be dipped into solutions.

Technical data and ordering information
Typ Qualitative test paper
Colour reaction white → blue-violet
Limit of sensitivity 1 mg/l NO2– / 1 mg/l free Cl2

MN 816 N
Presentation Reel of 5 m (16' 5") length und 7 mm (0.3 in) width
REF 90754
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