CTL Scientific Potassium Iodide starch paper - box of 200 strips (20 x 70 mm) - Hazardous : N
Potassium iodide starch paper MN 260 HE are strips impregnated with potassium iodide (KI) and starch for the detection of nitrite and free chlorine. Nitrite or free chlorine oxidize potassium iodide to form elemental iodine which reacts with the starch in known manner.