joint
bottom joint: ST/NS24/40, top joint: ST/NS19/26
General description
The inverted 5 mm NMR tube is sealed into the washer with a ground-glass stopper. Applied vacuum sprays solvent inside and against the closed end of tube for thorough cleaning.
Fits flask with standard taper 24/40 joint.
Fits flask with standard taper 24/40 joint.