Ground Glass Joint
Ground glass joints are used in laboratories to quickly and easily fit leak-tight apparatus together from commonly available parts. For example, a round bottom flask, Liebig condenser, and oil bubbler with ground glass joints may be rapidly fitted together to reflux a reaction mixture. This is a large improvement compared with older methods of custom-made glassware, which was time-consuming and expensive, or the use of less chemical resistant and heat resistant corks or rubber bungs and glass tubes as joints, which took time to prepare as well.
To connect the hollow inner spaces of the glassware components, ground glass joints are hollow on the inside and open at the ends, except for stoppers.
Read more about Ground Glass Joint: History, Joint Types, Hermetic Sealing, Frozen Joints
Famous quotes containing the words ground, glass and/or joint:
“I saw young Harry with his beaver on,
His cuisses on his thighs, gallantly armed,
Rise from the ground like feathered Mercury,
And vaulted with such ease into his seat
As if an angel dropped down from the clouds
To turn and wind a fiery Pegasus,
And witch the world with noble horsemanship.”
—William Shakespeare (1564–1616)
“We are deranged, walking among the cops
Who sweep glass and are large and composed.”
—Karl Shapiro (b. 1913)
“I learned from the git-go in the joint to get in touch with the soft, nurturing side of myself, the feminine side.”
—Wesley Strick, U.S. screenwriter, and Martin Scorsese. Max Cady (Robert DeNiro)