A high efficiency, low holdup, low pressure drop fractionating column, vacuum jacketed with observation stripe. Suitable for samples as small as 2mL. Center tube is removable for cleaning. Double expansion spiral eliminates choking. Joints are 14/20.
Approximately 40 theoretical plates at 80 cc/hr. boil-up. Operating pressure drop less than 1mm Hg. Column holdup (approx.): Operating with 9362 head, 0.6mL at 80cc/hr. Static with 9362 head, 0.25mL Xylene. Static: Column alone, 0.1mL Xylene. Replacement inner tube, only, 9333-08.