Explosive wipes

时间:2019-03-07 05:08:00166网络整理admin

A new wipe will make collecting forensic evidence from bomb sites quicker and more effective. Michael Sigman, a chemist at the Oak Ridge National Laboratory in Tennessee, uses a dry Teflon cloth to collect particles of explosives. Heating the cloth releases the sample for on-site analysis. Other wipes contain solvents, which can dissolve paint and other contaminants. So before samples taken with such wipes can be analysed, they must be purified in a laboratory,