Stopcock Accessories

High vacuum stopcock that eliminates exposure to corrosive materials. Use to at least 13.

High vacuum stopcock that eliminates exposure to corrosive materials. Use to at least 13.

High vacuum stopcock that eliminates exposure to corrosive materials. Use to at least 13.

Easy action PTFE plug with hooded handle, threaded into heavy wall glass barrel, permits smooth adjustment. Arms are at 90 degree angle.

High vacuum stopcock that eliminates exposure to corrosive materials. Use to at least 13.

High vacuum stopcock that eliminates exposure to corrosive materials. Use to at least 13.

High vacuum stopcock that eliminates exposure to corrosive materials. Use to at least 13.

High vacuum stopcock that eliminates exposure to corrosive materials. Use to at least 13.

Chromatographic column with integral reservoir at top, and 2 mm bore 1:5 taper PTFE stopcock plug at bottom. Opening at top is either 24/40 outer joint or opening for #3 stopper.

Separatory funnels, from 125ml to 5 liter. These funnels feature a detachable PTFE drip tip which is not easy to break and is easier to keep clean.

Separatory funnels, from 125ml to 5 liter. These funnels feature a detachable PTFE drip tip which is not easy to break and is easier to keep clean.

Cylindrical wtih standard taper joint top and bottom, drip stem, pressure equalizing arm and double scale graduations, calibrated from stopcock. Drip stem does not extend beyond joint, thereby eliminating possible source of breakage.