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.

Guy-Lussac type unadjusted for calibration in the laboratory. When adjusted, suitable for ASTM D 369. Stopper and bottle available separately.

Flat ground flange for use with all Reaction Flasks that have a 100mm (4") Duran ground mating flange. Supplied with three in line ground joints and one or two 90 degree joints. For thermometer or probe adapter, see our 5028 series. For clamp, see 6517.

Laboratory grade.

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…

Vacuum/gas manifold with a Firestone Rapid Purge Valve at one end and 0-5mm High Vacuum, Easy Action PTFE Stopcock ports with 3/8" 0.D. Swagelok tubing connections. Each connection has an O-Ring groove (O-Rings supplied) for use with #11 Ace-Thred. Valve eliminates the need for a second tube.…

Twin chamber vacuum trap for double protection against undesired vapors in a vacuum system. Trap can be used in a two liter Dewar flask such as 12540-07. Distance from outside of one body to outside of other is approximately 97mm; height is 250mm. Inlet and outlet have serrated fittings; O.D. of…

A compact fractionation unit for distilling small quantities in a vacuum, and for ordinary separation. Column is vacuum jacketed. Indents are positioned to cause the vapor to follow a spiral path, adding to the efficiency of the unit. Approximately three theoretical plates at 60mL/hr. Hold up to…

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.

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.

Inside diameter tolerance of 0.0004", Trubore, a trademark of Ace Glass Incorporated, stands for precision bore tubing of the highest quality, maintained by production techniques, careful selection of raw materials, and step-by-step quality control. Trubore tubing is used in ACE items such as our…

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…

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…

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…

Complete, one-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. One-piece design features a 25mm center opening and…

PTFE covered stainless steel shaft with solid PTFE, 4 blade screw propeller. Blades are pitched 45 degrees. For a better grip by the stir motor chuck, 50mm of stainless is left exposed.

Designed for use with inner member regular joints with only a slight mismatch. Treated on inner surface so that it may be cemented to glass with ACE 7560 epoxy adhesive. Sleeves may also be used uncemented to replace lubricant at low pressure differentials. ACE PTFE sleeves are accurately shaped to…

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…

Reaction Vessel constructed of borosilicate glass to accommodate the 7854, 7856 or 7857 Immersion Wells. With one 14/20 angled joint for sparger tube, one 24/40 vertical joint for condenser and one #7 Ace-Thred side arm for thermometer. Center joint is 60/40. Bottom of reactor is flat to allow use…

All-glass check valve with ground seat and precision ground solid ball. Suitable with mercury in the vertical position, more sensitive to other fluids in the horizontal position. Connections are 8mm O.D.

A method for measurement of light hydrocarbon liquids as per ASTM D 941. Also Ind. and Eng. Chemistry, Analytical edition, Vol. 16, No. 1, Jan. 1944, page 55.

Filtration apparatus for 75mm OD membranes or filter paper. Ideal for solvent recycling and other filter applications. All threaded apparatus eliminates need for clamps. Course glass fritted disc is interchangable. Gl80 wide mouth bottle with #15 Ace-Safe connector for vacuum connection on side.…

Jacketed, Trubore bearing with standard taper joint for use with our 9534, 9535 and 9541 precision ground stir shafts. Hose connections fit 5/16" or 3/8" ID tubing. Match bearing ID of 5 or 6mm to stir shaft OD.

Borosilicate glass filtration apparatus accomodates 75mm membrane filters. The new design utilizes a PTFE 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. The unit is easy to assemble,…

Simple absorption column for rapid preparative separations with moderate resolution. Modified with a #25 Ace-Thred connector in place of 35/20 joints, for grease free connection. Internally threaded connector & Nylon bushing make a pressure-tight, O-Ring compression seal with glass stem on…

Improved design of ACE extractor with Friedrichs Condenser in place of Allihn Condenser. Complete consists of flask cap, condenser, extractor, and flask.

Accurate to within plus or minus 3%. The McLeod gauge is the most convenient and economical instrument for measuring low pressures from 1 micron up. The ACE McLeod gauge is offered in four ranges, so that it is possible to accurately measure any pressures between 1 micron and the highest reading on…

PTFE stirrer bearing featuring a non-shedding, fully enclosed, anti-whip, chemically resistant design. Models available for 6, 8 and 10mm glass, metal or PTFE stir shafts. Can be used in slight pressure or vacuum applications. Maximum recommended speed for continuous operation is 500 rpm. Unlike…

Identical to 7531-10 with the exception that the nozzle is replaced by a sintered glass filter, porosity A (145-175 microns). Used in determination of Acrolein: 4-Hexylresorcinol Method #1. Bottle has encircling graduations from 0 to 25mL or 0 to 30mL in 5mL divisions. Inlet/ outlet are 7mm O.D.…