90602 PLUMBTESMO lead test paper

Estimated delivery : 60 Days; MOQ : 1 Box (1 box = 40 PCS)
The test paper allows for quick and easy detection of lead on surfaces, including metal surfaces, plates, ceramics and toys. In criminal investigations, it is used to trace bullet traces.
The surface 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.