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