Round-bottomed spherical flask with ground joint

Short-necked round-necked spherical flasks with ground joint.

Made of high quality white borosilicate glass. Complies with ČSN 70 4041 standard.

Resistant to hot water, acids and alkaline solutions and to large pressure differences, so that, reactions can be carried out under both high positive pressure and vacuum conditions.

The grinding on the neck allows the flask to be closed with a glass or plastic stopper.

They are used for preparing and storing standard solutions.