Silica w/Concentration Zone (Silica 60 with diatomaceous earth zone) TLC Plates, Channeled, w/UV254, glass backed, 250um, 20x20cm 25/pk Catalog No: 2315126C
Silica w/Concentration Zone (Silica 60 with diatomaceous earth zone) TLC Plates, w/UV254, glass backed, 250um, 20x20cm 25/pk Catalog No: 2315126