Round-bottom flask

Round-bottom flasks (round-bottomed flasks or RB flasks) are types of flasks having spherical bottoms used as laboratory glassware.

They are used mostly for chemical or biochemical work."OCS Lab Equipment: round Bottom Flask."  Department of Chemistry. University of Nevada. Today, they are usually made of heat-resistant borosilicate glass. There is at least one tubular section known as the neck with an opening at the tip. Two or three-necked flasks are made. Round bottom flasks come in many sizes.

 References 

Category:Glass
Category:Laboratory equipment