14/20 Glass Stopper

…West, Distillation Column, 25 mL Flask, 50 mL Flask, 100 mL Flask, 250 mL Flask, 500 mL Flask, 125 mL PTFE Funnel, 125 mL, and a 14/20 Glass Pennyhead Stopper Storage case is made of double-wall heavy-duty polyethylene , with a handle and hinged lid A comprehensive instruction manual…

Ground glass stopper for 7/10 or 14/20 joint, for use with microscale equipment.

Cylindrical style addition funnel with a standard taper top outer joint and lower inner joint, both being the same size. With pressure equalizing arm and glass stopcock. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

…numbers, one up from the stopcock and one down from the capacity line. With a standard taper top outer joint and lower inner joint, both being the same size, and pressure equalizing arm. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

PTFE stopper has a Polypropylene extraction nut permitting easy removal of the stopper from the glass outer joint. The 14/20 and 19/22 are solid, while the larger sizes are hollow.

Short stem, addition funnel with ptfe stopcock plug included. 14/20 top and bottom joints. Stopper (8255-10) is not included.

Specific gravity bottle, weld, unadjusted for calibration in the lab. Provided with cap to reduce evaporation losses when using volatile liquids. Stopper is 10/18 and cap 14/20 outer.

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.

Used for collection and short term storage of solvents. With 2 mm bore PTFE stopcock and standard taper 14/20 joint. A serum cap stopper is used on side port for syringe removal of solvents.

Capacity: 1.4 mL 14/20 Standard Taper joint Graduations/subdivisions: 0-1.4 mL/0.005 mL For the determination of the solid fat index (an empirical measure of the solid fat content) of shortenings, margarine oils and other fats with a solid index of 50 or less at 10°C. Results…

With 4mm double hollow high vacuum stopcocks. This four–port manifold is fitted with two 14/20 and 24/40 inner joints, and is 100mm center to center joints.#15 O-ring joint stopper (S480015) and #15 O-ring joint to serrated hose adapter have to be ordered separately. Viton® O-rings can be…

…(50mm) vigreux section is provided to enhance separation. Syringe access port (B) incorporates a 4mm PTFE stopcock with a 14/20 outer joint for use with CG-3022 septum stopper permitting repeated syringe punctures or changes of the septum without breaching the integrity of the solvent. Lower 3-way…

…return to flask, take-off or storage in graduated reservoir. Syringe access port (B) incorporates a 4mm PTFE stopcock with a 14/20 outer joint for use with CG-3022 septum stoppers permitting repeated syringe punctures or changes of the septum without breaching the integrity of the solvent. Valve (A)…

Graduated Schlenk storage tube with 14/20 or 24/25 outer top joints, 14/35 or 24/40 inner joint side arms, stopcock inlet or hose barbed inlet valve. Reaction accessories include 7759 series filter tubes, 7807 series finger condenser, 9543 series stoppers and 13657-33 stirring magnet..

…With outer joint and external thread at one end for making an O-RING-CAP-SEAL type connection with mating male joints, inner joint at other end and 7/10 outer side joint for vacuum connection or stopper when using Spinning Band Column technique. 105 degree angle. Supplied with cap and O-Ring.

…Chem-Vac™; Chem-Cap®; valves (A) instead of the CG-468-02 greased glass stopcocks on all of the 4-ports. The end cap on the vacuum line is a #30 o-ring joint while the inert gas line has a #9 o-ring joint instead of the 14/20 standard taper joint. All gauging ports (B) are constructed…

… Holds a vacuum when new and well-lubricated Withstands temperatures up to 121°C (250°F) A few of the many uses: (A) 35/50 to 30/50 (accommodates 34/45 to 29/42) (B) 30/50 to 25/50 (accommodates 29/42 to 24/40) (C) 25/50 to 20/50 (accommodates 24/40 to 19/38) …