Indentations provide increased surface area for improved refluxing prior to condensation. Sealed on Claisen adapter having top outer and lower inner joints of the same size. The side tube is sealed through to reduce entrainment. The 14/20 and 19/22 heads have a 10/18 top outer joint for use with a 25mm immersion thermometer. The 24/40 and 29/42 heads have a 10/30 top outer joint for use with 75mm immersion thermometer.
Joint |
Column |
Approx. |
14/20 |
100 |
250×110 |
14/20 |
200 |
350×110 |
. |
. |
. |
24/40 |
200 |
435×180 |
24/40 |
250 |
475×180 |
24/40 |
300 |
525×180 |
. |
. |
. |
29/42 |
200 |
440×195 |
29/42 |
250 |
490×195 |
29/42 |
300 |
540×195 |