por | Jul 20, 2026
INTRODUCTION ••••••••••••••••••••• Calcium metal element sample, shiny calcium piecesPurity 99.9%100 gramsunder argon inside a plastic can with double capfor laboratory use only SCIENTIFIC LABELS ••••••••••••••••••••••••••••••••••••••Many sellers try to copy our...
por | Jul 20, 2026
Bushing adapters allow connection of dissimilar-size Standard Taper ground glass joints in confined spaces. These are made of borosilicate glass. At the time of listing, there are three variations available: 19/22-14/20 Bottom, 19/22 inner/male; top, 14/20...
por | Jul 20, 2026
Standard-wall, short-neck round bottom flask with three necks, with the two side necks angled roughly 20° relative to the central neck. The central neck has a Standard Taper 19/22 outer/female joint.
por | Jul 20, 2026
An accessory for short-path distillation apparatus, fitting nicely on a distillation receiver unit to which it connects by a ground glass Standard Taper 14/20 outer (female) joint. You do not always need to know the volume of whatever it is you are distilling over,...
por | Jul 20, 2026
I cannot recall why we would have these, but I can think of several ways they could be misused by the inexpert (do not heat a closed system). If you need a single-neck round-bottom flask, there is a greater than 99% chance this is NOT what you want.
