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Attention Thomas Scientific Customers

Due to current pandemic, lead times for PPE items are longer than what is listed on our website. Please expect shipping delays of all PPE products during this time.

  • 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…

  • 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,…

  • Cylindrical, heavy-wall reaction flask with an integral fritted disc. Flask has flat flange top with an o-ring groove. For heads see 6528, 6529 and 6530 series. Can be used with 6517 quick clamp or two piece clamp. Bottom outlet tube.

  • 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…

  • With three necks and PTFE plug (5mm bore on 5000mL, 4mm bore on all other sizes) stopcock outlet. Available in standard and heavy wall. Heavy wall approximately 30% heavier than standard wall. For stopcock plugs, see 8224. For heating mantle, see 12039

  • Quartz boiling flask.

  • Media storage flask with 1/2" bottom hose connection. Ideal for use with aseptic filling bells (Ace code 3868) for transferring medias to various other flasks and vessels. Beaded rim neck takes standard cotton plugs or stoppers.

  • Erlenmeyer flask with included stopper top. No graduations.

  • Graduated, round bottom receiving flask for use with all rotary evaporators. 35/20 spherical outer joint will also mate to 35/25 ball joints. 250ml & 500mL size graduated in 10ml increments, 1000ml & 2000ml in 100ml increments.

  • Generally used for the determination of ammonia in water. Joints are standard taper 24/40.

  • 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…

  • With short neck and outer joint. Available in standard and heavy wall. Heavy wall approximately 30% heavier than standard wall.

  • Round bottom flask with four necks arranged 3 in-line and one at 90 degrees. 500ml and smaller flasks have angled side necks while larger sizes feature vertical necks. Available in heavy wall.

  • 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.

  • Cylindrical form, silvered and evacuated. Furnished with an aluminum base. Exterior, including base, is coated with a tough, resilient, baked-on plastic which does not rupture if flask breaks. Intended for use with liquid nitrogen. Performance is not g

  • Specially designed, standardized flasks, with stoppers. All capacities have 12/18 joint with approximately 10 mm opening. Cylindrical body affords better mixing and drainage, and ease of withdrawal using pipets. Wide base offers greater stability. Uppe

  • Pear shaped flask with outer joints. Microscale version comes with two 14/10 outer ground joints externally threaded to allow an O-RING-CAP-SEAL type connection with mating inner joint. Supplied with holed caps, PTFE-faced septa and FETFE O-Rings. For

  • Full size 24/40 jointed, low holdup, short path still, original plain version or jacketed with indents. Extension tube from still body allows positioning of drop directly over receiver flask. Gas inlet tube is positioned in distillation flask with 5028 Adapter and secured with a #7 Ace-Thred.…

  • Fernbach style culture flask with wide-mouth and beaded neck. The flask is triple baffled on the bottom edges to achieve maximum oxygen transfer to the culture medium. 63mm ID beaded neck accepts cotton plugs or rubber stoppers.

  • Apparatus for converting simple and most complex cyanides into HCN and for from most interferences before measuring by titration or colorimetric analysis examination of industrial wastes and other water. Method is described in Standard the Examination of Water and Wastewater. Fourteenth Edition,…

  • Replacement flask for Buchi rotary evaporators. Round bottom flasks with a 35/20 single neck and safety coating.

  • Flask, Erlenmeyer

    Ace Glass

    With outer joint. 125mL 28/15 used as collection flask at bottom of 7515 sampling cyclone. Available in 300mL and 500mL with 35/25 outer joint.

  • With 24/40 standard taper joint at top and side hose connection.

  • Round bottom flasks, three vertical necks, spherical outer joints. Available in standard and heavy wall.

  • Replacement drying flask for Buchi rotary evaporators. Pear shaped heavy wall with a standard taper single neck. Available plain or safety coated.

  • Complete self-supporting pilot plant assembly. Needs only to be located near coolant and electrical outlet. When not in use, entire assembly can be intact, without breakdown. Features flask, self-standing mechanical or air motor, flat-sided powder funn

  • 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.

  • 1L or 2L jacketed general purpose bench top reactor system supplied complete with everything necessary for operation. The system is designed so that all wetted surfaces are glass and PTFE for maximum chemical compatibility. A small overall stand footprint and flexible drive shaft combination allow…

  • Nephelometer type culture flask with angled cuvette side arm and side clean-out port. Flasks have three outside bottom baffles to promote mixing and oxygen transfer to media. Flasks come with 18-415 side port phenolic cap and 38-430 phenolic top cap. The side arm fits all standard Nephelometers and spectrophotometers.

  • Fernbach style culture flask with mide-mouth neck and screw cap closure. Supplied with GL45 PP cap. Flask is triple baffled on outside edges for maximum oxygen transfer to the media. Caution! Do not place on direct heat source.

  • Nephelo culture flask with side port and angled side arm cuvette for standard Nephelometers and spectrophotometers. Supplied with 38-430 phenolic top cap and 18-415 clean-out port cap.

  • Trypsinizing flask for converting of homogenous tissue samples into cell suspensions by digestion of connective tissue. Side port has dam below the side arm to prevent undigested tissue from being poured out while decanting cells. Flask has GPI thread top and side arm cap. The three extra deep,…

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