A Kuderna-Danish concentrator supplied with Keck clamps instead of spring hooks. The complete apparatus consists of a 3-Ball Snyder column (with 24/40 joints), a flask (with standard taper 24/40 top and standard taper 19/22 lower joint), and a graduated tube (with standard taper 19/22 joints). All columns have venting dimples. The 250 mL and 500 mL completes include a 10 mL tube. The 1,000 mL complete has a 25 mL tube.
Cat. No. 2157-500: The complete include 1 each blue and green Keck clamps.
Note: for Synder column only, see Cat. No. 2158-CO.