Class A Borosilicate Glass Volumetric Flask with Beaded Rim, White Graduations Capacity:100mL enabling closed gas-washing and reflux

enabling closed gas-washing and reflux setups with inorganic acid and base chemistry

Sized for standard student use

pollution monitoring

this stainless steel one-meter ruler carries stamped centimeter and millimeter graduations along its length

Two-kilohm shunt-type Ohm's meter in an unbreakable case with a clear front and a fixed dry-cell stand

Class A Borosilicate Glass Volumetric Flask with Beaded Rim, White Graduations Capacity:100mL enabling closed gas-washing and refluxFire polished beaded rim accepts rubber or plastic stoppers for flexible closure, with Class A tolerance and white graduations for precision dilution.