Filtering Funnels

Threaded stopcock with PTFE plug permits smooth needle valve adjustment down to 0.1cc/min.

With standard taper stopper joint. Stopcock available 1:5 PTFE plug. Stopper size is standard taper 24/40. For replacement stopcock plugs, see 8224. For stoppers, order 8250-12. Stopper NOT supplied.

Cylindrical with joint at top and bottom, drip stem, and double scale graduations, calibrated from stopcock. Drip stem does not extend beyond the joint, thereby eliminating a possible source of breakage. PTFE stopcock plug.

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.

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.

Cylindrical, graduated reservoir permits determination of volume added at any time during pumping cycle. By stopcock manipulation, material may be pumped from graduated (10mL in 0.

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.

Duran&reg heavy wall filtering flask has a unique removable PPN hose connection. Hose connection is secured to the flask via a silicone rubber seal.

Useful where it is necessary to wash the precipitation and redissolve with chemicals which would attack filter paper. Angle of funnel 60 degree.

Useful where it is necessary to wash the precipitation and redissolve with chemicals which would attack filter paper. Angle of funnel 60 degree.

Used for pouring liquids or powders into multineck flasks. Available with standard taper joint.

Used for pouring liquids or powders into multineck flasks. Available with standard taper joint.