General Lab Products & Reviews

These heavy duty 40 mL PYREX® conical centrifuge tubes are made with increased wall thickness for greater mechanical strength. In order to conform to outside diameter and overall length limitations imposed by centrifuge rotors and supports, it has been necessary to reduce the capacity these heavy duty tubes. Tubes are graduated to 10 mL in 0.5 mL divisions, and from 10 to 40 mL in 1 mL divisions. Graduations are in durable whi…

With an outer standard taper joint at the top and a smaller inner standard taper joint at the bottom.

With an outer standard taper joint at the top and a smaller inner standard taper joint at the bottom.

With an outer standard taper joint at the top and a smaller inner standard taper joint at the bottom.

These PYREX® enlarging adapters have a 29/42 Standard Taper outer joint at the top and a larger 24/40 Standard Taper inner joint at the bottom.

These PYREX® enlarging adapters have a 29/42 Standard Taper outer joint at the top and a larger 45/50 Standard Taper inner joint at the bottom.

These PYREX® thermometer adapters have a 14/20 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. This tube is also a replacement part for Corning® organic chemistry kit No. 6949K.

These PYREX® thermometer adapters have a 19/22 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. This tube is also a replacement part for Corning® organic chemistry kit No. 6949E.

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. This tube is also a replacement part for Corning® organic chemistry kit No. 6949.

These PYREX® bushing adapters are fabricated with heavy walls for mechanical strength and are further strengthened by the heavy, uniform rim at the top which affords a serviceable finger grip. These adapters have a 34/45 Standard Taper outer and 24/40 Standard Taper inner joints that are shorter than the conventional type, thus allowing more compact and convenient assemblies. Useful for attaching thermometers with Standard Tap…

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.

The arms on these PYREX® tube adapters are approximately 105° apart. One end is equipped with an outer 24/40 Standard Taper joint and the other end has an inner 24/40 Standard Taper joint. Used as a receiver adapter.

Brand: PYREX®

With tubulation of 10 mm O.D. for attaching to a vacuum pump or to inner and outer standard taper joints. Includes a drip-tip on the inner tube.

These PYREX® 105° angle vacuum connecting adapters have a tubulation of 10mm O.D. for attaching to a vacuum pump and inner and outer 19/22 Standard Taper joints. Includes a drip-tip on the inner tube. These tubes are also replacement parts for organic chemistry kits Nos. 6949E and 6949G-2.

Brand: PYREX®

These PYREX® angle connecting adapters have a sidearm at an approximately 75° angle from the lower joint. The lower end and sidearm are equipped with inner 14/20 Standard Taper joints, and the upper end with an outer 14/20 Standard Taper joint. This tube is also a replacement part for Corning® organic chemistry kit No. 6949K.

These PYREX® angle connecting adapters have a sidearm at an approximately 75° angle from the lower joint. The lower end and sidearm are equipped with inner 19/22 Standard Taper joints, and the upper end with an outer 19/22 Standard Taper joint. This tube is also a replacement part for Corning® organic chemistry kits Nos. 6949E and 6949G-2.

These PYREX® angle connecting adapters have a sidearm at an approximately 75° angle from the lower joint. The lower end and sidearm are equipped with inner 24/40 Standard Taper joints, and the upper end with an outer 24/40 Standard Taper joint. This tube is also a replacement part for Corning® organic chemistry kit No. 6949.

This Connecting Tube is a replacement part for the 6949M series of PYREX® microchemistry kits.

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 Corning® organic chemistry kit No. 6949.

These PYREX® Claisen adapters have 24/40 outer Standard Taper joints at the upper end and on the parallel sidearm and an inner 24/40 Standard Taper joint at the lower end.

These PYREX® Claisen adapters have 14/20 Standard Taper outer joints at the upper end and on the parallel sidearm and an inner 14/20 Standard Taper joint at the lower end.

These PYREX® Claisen adapters have 19/22 Standard Taper outer joints at the upper end and on the parallel sidearm and an inner 19/22 Standard Taper joint at the lower end.

This Claisen Head is a replacement part for the 6949M series of PYREX® microchemistry kits.