CONGEALING TEMPERATURE APPARATUS
DISTILLATION APPARATUS Congealing Temperature Similar to congealing temperature apparatus described in U.S. Pharmacopeia, 1995, page 1780, except this apparatus is supplied with Ace-Threds in place of rubber stoppers, where practical. #50 thread at center holds a test tube with a #25 bushing, open-top test tube utilizes a rubber stopper to secure a thermometer and wire stirrer. One side port has a #7 Ace-Thred for a thermometer, other side port is a 22mm I.D. opening for access to the 125mm O.D. x 150mm high cylinder. Applicable to substances that melt between -20° and 150°C.