These 500 mL PYREX® Kuderna Danish Concentrators are supplied with Keck clamps instead of spring hooks. The complete apparatus consists of a 3-Ball Snyder column (with 24/40 Standard Taper joints), a 500 mL flask (with 24/40 Standard Taper top and 19/22 Standard Taper lower joint), and a graduated 10 mL tube with an outer 19/22 Standard Taper joint. The tube graduations go from 0 to 2 mL in 0.1 mL increments and from 3 mL on in 1.0 mL increments. All columns have venting dimples. For replacement Snyder columns, see No. 2158-3CO.
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.