24/40 Pyrex

These PYREX(r) pear-shaped boiling flasks have full length outer 24/40 Standard Taper joints and are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance.…

This PYREX® solvent recovery head allows for condensation and collection of solvents while performing concentrations with a Kuderna-Danish concentrator. 96-99% solvent recovery allows for concentrations to be done outside the hood. Unique, simple design allows use with existing condensers and…

This simple PYREX® cold finger condenser, of relatively low efficiency, is often used to regulate refluxing by adjusting the flow of air or water through it (dephlegmation). The tubulation O.D. is approximately 10mm. This condenser has a 24/40 inner Standard Taper joint and is a replacement part…

These PYREX® graduated cylinders are calibrated “to contain” (TC) and are equipped with a 24/40 Standard Taper outer joint. These cylinders are particularly useful as distilling receivers. Graduations are in durable white enamel. Supplied without stoppers. For hollow glass Standard…

These PYREX® condensers have a high surface area per unit length of the 300mm long jacket with a 24/40 Standard Taper outer joint at the top and a plain drip tip at the bottom. They are primarily used in distillation assemblies. Condenser tubulations are approximately 10mm O.D.

This PYREX® Friedrichs type condenser affords very efficient operation. The helical inner tube fits closely within the jacket. The vapor tube is sealed to the jacket at an angle of 75° and has an outer 24/40 Standard Taper joint.

These PYREX® angle connecting adapters have a sidearm at an approximately 120° angle from the lower joint. The lower end is equipped with an inner 24/40 Standard Taper joint, and the upper end and sidearm with an outer 24/40 Standard Taper joint. This tube is also a replacement part for…

These PYREX® three vertical neck flasks have two side necks with 24/40 outer Standard Taper joints and a center neck with a 24/40 Standard Taper joint. All of the necks are at the same height.

This PYREX® tube is approximately 200mm long and may be used for simple semi-micro vacuum or atmospheric distillation, either as a reaction flask or a receiving tube. It has two 24/40 Standard Taper outer joints. This tube is also a replacement part for organic chemistry kit No. 6949 (Thomas No.…

These PYREX® connecting distilling tube adapters have full-length inner 24/40 Standard Taper joints of same size. The connecting arm is approximately at a 75° angle from vertical and is 200mm long.

These PYREX® thermometer adapters have a 24/40 Standard Taper ground joint at one end while the other end is tooled to accommodate a thermometer. The adapter comes with a rubber thermometer holder. For replacement rubber thermometer holders, see No. 7715 (0319W06). This tube is also a…

PYREX®10 mL , Stark- Dean For use in the determination of water in petroleum products and bituminous materials Graduated in 1/10 mL divisions from 0 to 1 mL ; in 1/5 mL divisions from 1 to 10 mL With Standard Taper 24/40 joints; meets ASTM Standard E 123

With Standard Taper 24/40 joints Inlet and outlet tubes, 10 mm o.d. are on opposite sides, indentations at lower end of condenser tube support packing when used as fractionating column.

Suitable for refluxing, extracting and distilling operations With Standard Taper 24/40 drip tip joint at bottom All sizes take stopper size 3

…are on the same side to reduce breakage. The tubulation O.D. is approximately 10mm. The 300 mm long condenser has a 24/40 Standard Taper outer joint at the top and the 24/40 Standard Taper inner joint at the bottom with a drip tip. The 200 mm long condenser has adapter ends that are all tooled…

Graham Coiled condensing tube is sealed into water jacket Inlet and outlet tubes on opposite sides of jacket With Standard Taper drip tip joint at bottom and Standard Taper outer joint at top The 8” condenser has 19/38 joints; others have Standard Taper 24/40 joints

These 250mL PYREX(r) low actinic flat bottom boiling flasks have full length outer 24/40 Standard Taper joints, but with shorter necks. Low actinic stained glass provides protection for materials sensitive to light. The protective color is an integral part of the flask, which retains the mechanical…

These 250mL PYREX® atomizers are used for spraying reagents onto thin layer chromatography plates. They have a full length 24/40 Standard Taper joint between the reservoir and spraying device. The PYREX® distilling condenser has 14/20 Standard Taper inner and outer joints, is simple in design and…

Inverted PYREX® drying tube with the inner 24/40 Standard Taper joint at one end only, with a single bulb. The chamber is approximately 110 mm long including the bulb, 30mm O.D. and will take a No. 2 rubber stopper.

Suitable for the use in vacuum distillations With Standard Taper drip tip joint at bottom and Standard Taper outer joint at top The 8” condenser has Standard Taper 19/38 joints; others have 24/40 joints

Full length stoppers, closed at bottom, with penny head Conform to ASTM Standard E 675

Allihn - suitable for use in vacuum distillations With condensing tube expanded by series of bulbs which increase condensing area and lengthen condensate path Inlet and outlet tubes are on opposite sides of the jacket All sizes take stopper size 3 and have Standard Taper drip tip…

Full length 24/40 joint on all sizes except 50 mL, which has Standard Taper 19/38 joint Graduated scale indicates approximate volumes Extra large marking space

60° angle Three Standard Taper 24/40 joints Approximate length 206 mm This tube is also a replacement for organic chemistry kits. Type I, Class A borosilicate conforming to federal specification DD-G-54 lb and ASTM E 438. Also meets the US Pharmacopoeia specs for Type I borosilicate glass.

…water temperature or loss of condenser cold water supply. This system comes complete with PYREX® Allihn condenser with a 45/50 Standard Taper inner joint and 500mL PYREX® round bottom boiling flask with 24/40 Standard Taper outer joint. For a replacement extractor only, see No. 3920-MBO; for a…

These 500mL PYREX® Kuderna Danish Concentrators are supplied with Keck clamps instead of spring hooks. The complete apparatus consists of a 3-Ball Snyder column (with 24/40 Standard Taper joints), a 500mL flask (with 24/40 Standard Taper top and 19/22 Standard Taper lower joint), and a graduated…

PYREX VISTA flat bottom boiling flasks have full length outer 24/40 Standard Taper joints, but with shorter necks. Wall thicknesses are controlled to provide balance between thermal expansion and mechanical strength for greater shock resistance. The flat bottom boiling flasks are designed to ASTM…

…250mL capacity PYREX® solvent still head is used for maintaining oxygen free solvents. Head has sufficient storage space to allow solvent removal by syringe or drainage through 2mm T-bore PTFE (Polytetrafluorethylene) stopcock. It has a 24/40 Standard Taper outer joint at top, 24/40 Standard Taper…

…tube. The low thermal expansion rate means that the PYREX brand extractors can be routinely used in applications requiring protracted heating at temperatures as high as 230°C. The inherent chemical stability of Code No. 7740 PYREX brand glass reduces the potential for corrupting impurities.…

These 50mL PYREX® flat bottom boiling flasks have full length outer 24/40 Standard Taper joints, but with shorter necks. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size joints, thus allowing numerous combinations for diverse assemblies. Manufactured from…

This PYREX® extractor body with a 45/50 Standard Taper outer top joint and a 24/40 Standard Taper inner bottom joint is a replacement for the One Piece Continuous Heavier than Water Liquid/Liquid Extractor System.

Pyrex Standard Taper Connecting Tubes (5738E14) Arms are approximately 75° apart Equipped with inner Standard Taper joints that are both 24/40 Often used as a still head adapter Still Head Standard Taper Connecting Tubes (5738H82 and L18) Sidearm is at an angle…