Schwartz type drying tube having 14/20 hollow stoppers. Stoppers have a hole that aligns with a serrated hose connection for on/off action. Overall height is approximately 170mm.

Porous discs for use in fabrication of special glass apparatus. Available in F, M, C and XC porosities. Pressure Limits: Fritted glassware is designed for low pressure vacuum filtration or gas flow. The MAX differential pressure should not exceed 15 PSI. Thermal Limits: Fritted glassware…

3 to 6 mm in diameter Diameter tolerance is ±0.75 mm PYREX solid glass beads are useful for packing in distillation columns, mixing beads and boiling stones. Beads are packaged in 0.45 kg (1 lb) boxes, which have a packing volume of approximately 360 cm 3 or 22 cubic inches.

Borosilicate Glass with Fire Polished Ends

Heavy wall pressure vessels have an internal thread for use with PTFE bushings as pressure seals. The unique design allows hand tightening and loosing for easy access into the vessel. O-ring is positioned on the bushing above the thread for improved sealing. Vessels are useful for pressure…

One Pound Plastic Jars Chemical Resistant Glass Balls

Design permits the cleaning of four NMR tubes at the same time. With solvent in the reservoir, rapid suction wets the inside of the NMR tube dislodging the contamination. An acetone wash followed by an air stream dries the tube in seconds. Rate of cleaning is approximately 4 tubes per minute. The…

Made of borosilicate glass Contains minimal heavy metals and is practically free from fluorine and alumina Strong, yet soft and pliable Suitable as a filtering medium due to its low alkali content Maximum service temperature 500°C Fiber diameter 0.008 mm

Reservoirs used for storing high performance, low pressure liquid chromatography mobile phase. Complete reservoir system includes a plastic coated graduated bottle, a standard cap assembly, and solvent and sparging filters. Cap assembly fits GL45 threaded bottles and has a PTFE bulkhead with three…

Borosil® Polished Glass Solid Stirring Rods are constructed from smooth, low-expansion, low-extractable borosilicate glass. Their mechanical strength, excellent heat resistance, and outstanding chemical compatibility make them the perfect general use stirrer. Borosil® Glass Stirrers…

Micro impinger designed for sampling of small volumes of air at low jet velocity, as per EPA Method 6. Impinger bottle is graduated from 5 to 30mL in 5mL subdivisions. Both the bottle and stopper have 24/40 standard taper joints. The nozzle being replaced with an extra coarse fritted gas dispersion…

For easy separation of water from reaction or distillation system.

Adapters simplify the transfer of powders/solids from flasks into vials. PTFE adapters have a knurled gripping ring at the top to facilitate removal of the adapter from the flask joint. Adapters are available to accommodate sample vials (GPI threads) and scintillation vials (22mm threads). Allows…

Adapter has a standard taper outer joint at the top of the main tube for use with jointed thermometers. The 10/18 size is used with 10/18, 25mm immersion thermometers while the 10/30 is for use with 10/30, 75mm immersion thermometers. With inner joints on the bottom and sidearm at a 75º angle…

Used for the removal of solvents or other volatiles by vacuum distillation at ambient temperature. When used with Schlenk reaction Vessel, No. 7756, the trap prevents excessive loss of solution in the event of a bump. The distillate is collected in a No. 9477 pear shaped flask or other suitable…

These U-shaped borosilicate glass drying tubes have a Standard Taper joint at one end and are designed to avoid desiccant contact with reaction. Other end is open to receive size a #2 rubber stopper with bent inlet tube (included).

A compact fractionation unit for distilling small quantities in a vacuum, and for ordinary separation. Column is vacuum jacketed. The indents are positioned to cause the vapor to follow a spiral path. Approximately three theoretical plates at 60mL/hr. Hold up to 1.2mL operating, 0.5mL static.…

Used in distillation assemblies where adjustable immersion depth of the thermometer is desired. Threaded top BEVEL-SEAL™ connection for plain stem thermometers Vacuum-tight seal is achieved with the open top compression cap and FKM o-ring BEVEL-SEAL™ cap 410119-1307 is…

Similar to CG-1041, but with the addition of an Extra Coarse fritted disc between the lower inner and top outer joint.

Glass mosquito feeder with an outer chamber for circulating 37°C water and an inner chamber into which the blood is injected. Mosquito feeding area is 14mm diameter. Parafilm™ is stretched over the lower portion of the inner chamber. The assembled feeder is held on top of the screened…

Glass viewing tubes contain 5 mL mark.

Porous fused quartz discs. Porosity sizes are as listed and differ from porosities of borosilicate discs.