Concentrator Tubes
For use with Kuderna-Danish and other evaporative concentrators. May be stoppered for later analysis or storage. Secure to assembly with springs or polyacetal clamps (not supplied). The 570050 series has hooks; 570051 series does not. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.