Plumbtesmo® • Quick and easy determination of lead • The test paper allows the quick and easy detection of lead on surfaces including metal surfaces, dishes, ceramics and toys. • In criminal investigations it is used to search for traces of bullets. • The surface in question is moistened with distilled water. • The test paper is pressed against the surface for about 2 minutes. • In the presence of lead the paper turns pink to dark purple. Product data • Presentation: Pack of 40 sheets 40x25 mm • Color reaction: white-yellow → pink • Limit of sensitivity: 5 mg/l