Buchner filter funnel featuring a standard taper, drip-tip bottom joint and a vacuum source hose connection. Available in various sizes and porosities.,/p>

Jacketed version of 7297 series addition funnels. Jacket runs from shoulder at top of vessel to above the PTFE stopcock. Has size D hose barbs for 3/8in ID tubing. Pressure equalizing arm runs from top of vessel to just below the PTFE stopcock. Graduat

With ACE fritted disc. Porosities A, B, C and D are priced the same.

Graduated addition funnels similar to 7268 series, except with outside jacket for cooling and/or heating. Jacket extends from just below shoulder of vessel down to the bottom tube just below the stopcock. Stopcock is either 2 or 4mm bore PTFE plug. Bot

Microscale, vacuum adapter with vertically adjustable Hirsch filter funnel that is suitable for use with all Microscale flasks and vials with 14/10 joints. Two-piece adapter features a #7 Ace-Thred at top with a Nylon bushing and O-Ring that forms a compression seal with funnel stem, bottom joint,…

Graduated addition funnel featuring standard taper joints,graduations in both ascending and descending volume,protected drip tip and a glass stopcock. Graduations are calibrated from the stopcock.

A vertical, compact screw feed instrument for addition of powders and solids, up to 25 mesh, to reactions without seizing or binding. Features a flexible PTFE screw thread wrapped on a precision PTFE-ceramic shaft and contained within a precision bore

Double scale graduated funnel with jacket for cooling with dry ice. Calibrated from stopcock. With 1:5 PTFE stopcock plug; for extra plugs, see 8224. For stoppers, order 8250-12.

With straight, open top and a 2mm bore 1:5 taper PTFE stopcock plug. Porosity A frit, 145-174 micron.

Diameter of sintered glass filter disc is 18mm. Measures 40mm from disc to bottom of joint. All porosities of a given size are priced the same. Volume approximately 10 mL. Hose connection is size A.

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

Buchner filter funnel featuring a standard taper, drip-tip bottom joint and a vacuum source hose connection. Available in various sizes and porosities.

Threaded stopcock with PTFE plug permits smooth needle valve adjustment down to 0.1cc/min. flow rate. Double PTFE ring seals prevent exposure of backup O-Ring to corrosive liquids. Angled position makes manipulation of stopcock easier than conventional style. 24/40 joints top and bottom, double…

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. Stop cock available with glass plug, 1:5 PTFE plug, pr PTFE…

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 0.1mL) side tube only. This permits obtaining accurate pumping rate over short periods of time. Top joint is 24/40 outer.…

Powder funnel with standard taper joint and one flattened side for easy of use with multi-neck flasks.

Side operated screw feed instrument for addition of powders and solids, up to 25 mesh, to reactions without problems of seizing or binding. Features a flexible PTFE screw thread wrapped on a precision PTFE-ceramic shaft and contained within a precision bore housing.This offers a unique flexibility…

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. Metering valve stopcock plug.

Side operated screw feed instrument for addition of powders and solids, up to 25 mesh, to reactions without problems of seizing or binding. Features a flexible PTFE screw thread wrapped on a precision PTFE-ceramic shaft and contained within a precision

European style funnel with new leak-tight, locking stopper that will not fall out during shaking or transportation. Outer ground joint at top is a Rodaviss joint. Stopper can be secured in top joint via cap and O-ring for a positive, leak-tight seal; n

Short stem, addition funnel with ptfe stopcock plug included. 24/40 top and bottom joints. Stopper (8250-12) is not included.

The safest separatory funnel available, our 7247 funnel features a plastic coating, a removable PTFE drip tip and pressure relief rodaviss threaded cap and stopper. Common accidents involving separatory funnels are breaking the glass drip leaving a jag

Designed for the extracting of liquids with ether. The dispersion of the ether is accomplished by the use of an ACE fritted disc, Por. B (70-100m), which is attached to the base of the funnel tube. With 24/40 and 40/50 joints. Available in the following sizes.

Permits solutions to be prepared with No. 13654-24 Stirring Magnet and added portion wise. The T-bore stopcock in the equalizing arm permits isolation of the contents for storage. Capacity, 100 or 250mL. Lower threaded stopcock is all PTFE. Outer joint is standard taper 14/20 or 24/25, inner joint…

Magnetically operated swinging funnel type, with iron slug totally enclosed.This head maintains reflux ratio constant with changing throughput. The vapor bypass is designed to give accurate thermometer readings. Tapered bulb condenser increases capacity without choking. Side arm joint is…

Borosilicate glass addition funnel with integral glass fritted disc for filtering out material. Top has inner standard taper joint. Funnel has side arm with 2mm glass stopcock. Bottom outlet has a 0-4mm Hi-Vac valve for precise control and ends in an inner standard taper joint. Both upper and lower…

With jacket for cooling or heating. All porosities of a given size are priced the same. Hose connection is size C.

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. Ace-thred tip makes a leak tight connection without the need for an o-ring. Complete unit consists of th

Large separatory funnel for use where large volumes are needed. Cylindrical shape necks down to a #25 Ace-Thred and connects to an 8mm bore PTFE-clad glass stopcock via a PTFE coupling using FETFE O-Rings. The system is completely grease-free. Complete

Cylindrical with joint at top and bottom and drip stem. Stopcock on equalizing arm permits filling funnel without having to open the system to atmosphere. For replacement stopcock plugs, see 8224. For stoppers, order 8250-12 or 8255-10.

Pressure equalizing, addition funnel featuring standard taper joints, protected drip-tip, equalizing arm and double scale graduations calibrated from the stopcock. Available PTFE stopcock styles are standard, metering or needle valve. Top stopper is not included.