Drummond Microcaps® are ideal for spotting preadsorbent TLC plates
· Precision-bore glass capillary tubes
· Cut to predetermined lengths, so that each capillary tube will hold a known volume of fluid when filled
· Supplied with one bulb assembly and one spotting holder
· Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements