Potassium test paper • Quick and easy determination of potassium, rubidium, cesium and thallium • The test paper allows the quick and easy detection of potassium. • Rubidium, cesium and thallium(I) give the same reaction. • Sodium and heavy metal ions decrease the sensitivity. • The leaflet describes a method to eliminate these interferences. Product data • Presentation: Pack of 200 strips 20x70 mm • Color reaction: bright-yellow to orange • Limit of sensitivity: 250 mg/l K+