The Dounce type, glass tissue grinder is supplied with two glass pestles; one with a tight inner tolernace and one with a loose inner tolernace. The loose pestle can be used for initial reduction of the tissue sample and the tight pestle can be used to fine grind the tissue and complete the homogenation.

Borosilicate glass filtration apparatus accomodates 47mm diameter membrane filters. The new design utilizes a nylon Ace-Thred adapter to join the glass funnel, filter flask and fritted disc together. This design eliminates the need for the clamping device, stopper and base piece. The unit is easy…

Ace Glass pressure tubes are the premier glass pressure vessels in the industry. our tubes are rated at 150psi at as much as 120 degrees C. Due to varying conditions, Ace cannot guarantee glass vessels from breakage under pressure. Observe all laboratory safety procedures including working behind a shield.

Used to regulate and measure flows, all working parts and indicia are visible, meter readings are unobstructed; the outlet swivels 360 degrees. Pressure tight to 2Kg/cm2 or more (air). Flow rates from 5 to 50L/minute air or 0.1 to 500cc/min water. Each tube is furnished with either a 316 stainless…

A multipurpose, round bottom flask with a single neck and sloping side wall. Designed for use as a recovery flask with rotary evaporators. Heavy wall product family members feature approximately 30% heavier wall weights.

Duran borosilicate glass, GL thread, lab bottles with graduations, retrace codes, red polybutylene terepthalate (PBT), PTFE lined caps. Red PBT pour rings to match caps or Blue Polypropylene caps and rings, or without caps and pour rings. Available in plain, safety coated, amber or netted pressure…

Complete, two-piece, plain flask, pressure reactor system designed to perform low to moderate positive pressure reactions, synthesis and catalysis. Reactor capacities range from 500ml to 5000ml and use Ace-Threds to achieve a leak-tight system. Two-piece (flanged flask and head) design allows the…

Ace Safe threaded tubing connectors used to connect flexible tubing to #7,#11 or #15 Ace-Threds. Allows for easier connect-disconnect of tubing. A much safer design than glass hose barbs. All PTFE construction for lower extractables and higher temperature capability than the standard…

An extremely stable, medium viscosity, silicone oil. Available in two temperature ranges: Low Temp. maximum 180 degree C; or High Temp. maximum 230 degree C. Neither oil shows discoloration after 40 hours at maximum temperature.

Automatic, adjustable pressure release valve for safer operation of pilot plant or other assemblies where the pressure is of great concern. The tension on the stainless steel spring determines the amount of pressure needed to force the lower piece open. With the spring supplied, the range is 15-50…

Suitable for ASTM D 95 and E 123. Subdivided 0.1mL to 2.0mL and 0.2mL above 2mL.

PTFE connecting adapters and glass conversion adapters for connecting GPI threaded vials to a rotary evaporator vapor tube or trap. Both are suitable for vacuum work. PTFE connecting adapters are available with FETFE or Chemraz o-rings. Order Chemraz if you are using Methylene Chloride or Acetone.…

Flat bottom, three neck flask can sit on stirrer hot plate with no further support. 250ml and 500ml sizes feature angled side necks while the 1000ml size necks are vertical.

Process pipe, short radius elbow, 90 degree.

Ground glass stopper for 7/10 or 14/20 joint, for use with microscale equipment.

Chemically resistant and stable laboratory bottles, fabricated from borosilicate glass and safety coated for protection against mechanical damage and to prevent leakage of contents should the glass break. Supplied graduated with red plastic cap and removable pouring ring that allows drip-free…

Self-aligning, lubricant free PTFE Trubore bearing or combination bearing / debris trap. Use with 8076 (19mm od) or 8080 (28mm od) polished glass stir shafts. Debris trap model prevents bearing-wear particles from contaminating the reaction vessel and has a side port for clean-out, evacuating or…

Twin chambered dry ice condenser-trap,for Rotary Evaporator use. Squatty design 18"high, two chambers. Dry ice fingers secured in main body via #50 Ace-Thred, bushings, and O-Rings allowing for easy cleaning. Two ports at top of chamber are 3/8" O.D. (for connecting to evaporator & vacuum source).…

Consists of bottle with hex base and 45/50 joint, SO2 bubbler stopper with 25 mm diameter Por. C (25-50m) fritted disc, and impinger stopper. Capacity, 275mL. Inlet/outlet are 8mm.

Similar to Congealing Temperature apparatus described in U.S.Pharmacopeia, 1995, pages 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…

Borosilicate glass, round bottom reaction vessel. Supplied with 24/40 center neck and two 24/40 side necks. Fourth neck is #25 Ace-Thred on 500 mL for use with 7506-10 Bushing and O-Ring; #36 Ace-Thred on 1000 mL and 2000 mL sizes for use with 7506-12 Bushing and O-Ring to make a leak-tight…

Oil baths heated by Instatherm®, an integral noble metal alloy fused permanently to the glass & covered with a tough silicone rubber treated glass cloth insulation which serves as a thermal barrier as well as protection against physical shock. Rapid heat response - low thermal lag. For…

Reactor is most useful in prep-scale photolysis and features tapered sides which assures full submersion using our 7825-34 or 7825-36 lamps within the supplied quartz immersion well. A 20% savings in reaction time over round bottom flasks. Additionally

Quartz boiling flask.

250mm dia with bottom Instatherm® heated,(low voltage: 40 volts, 10 amps max.) Top is not heated, but has insulation cover. May be used as a vacuum oven at temps up to 180 degrees C continuously. The top has an observation stripe for visibility & is supplied with vacuum take-off valve. Uncoated…

Replacement stopcock plugs with inlet feeds for rotary evaporators. Codes -08, -10 for Buchi assemblies and -20 for Heidolph 4000 series. All plugs are 19/38.

A compact fractionation unit for distilling small quantities in a vacuum, and for ordinary separation. The indents are positioned to cause the vapor to follow a spiral path, adding to the efficiency of the unit. By use of the three-way stopcock, a manifold arrangement is achieved, making it…

Round bottom,single neck,all PTFE boiling flask. Maximum temperature 260 degrees C.

Duran GLS 80 wide neck bottles are ideal for pouring,filling,mixing, etc. The 80mm wide neck allows the easy use of spoons,spatulas and tweezers. Even large-volume funnels can be inserted into the bottles without difficulty. Supplied with blue polypropylene quick release caps (less than two turns…

Simple absorption chromatography column for rapid preparative separations with moderate resolution. Allows separations of samples from 0.01 to 10.0g in 10-15 minutes. Column and reservoir, only, are Epoxy Coated. Reservoir connects between column and flow control adap-ter. Joints on column,…

For use in any reaction where there is a change in volume. Described in Experiments in Physical Chemistry, Shoemaker & Garland, 1962, by McGraw-Hill Book Company, Inc. Experiment 27. Capacity of bath is 75mL, bulb 50mL, with capillary tube graduated from 0.0cm at bottom to 15.0cm at top. I.D.…