These precision-bore glass capillary tubes are cut to predetermined lengths, so that each capillary tube will hold a known volume of fluid when filled.
Drummond Microcaps “5-Pack” (764520) is ideal for use in spotting TLC plates. 764500 is supplied with one bulb assembly and one dispenser vial with 100 micropipets 764520 is a kit with 5 dispenser vials containing 100 micropipets each of 0.5, 1, 2, 5 and 10 μL sizes; a bulb assembly; and a spotting holder Manufactured from low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I requirements