Sorbent Tube, Silica Gel, treated w/silver nitrate, glass fiber filter treated w/sodium carbonate/glycerol, 16 to 8-mm OD x 85-mm length, 2 sections, 200/200 mg sorbent, 20/40 mesh 226-177

Sorbent Tube, Silica Gel, treated w/silver nitrate, glass fiber filter treated w/sodium carbonate/glycerol, 16 to 8-mm OD x 85-mm length, 2 sections, 200/200 mg sorbent, 20/40 mesh 226-177