Unbreakable, chemical-resistant plastic rod to stir all of your lab mixtures. Made from flexible but firm polypropylene with rounded ends, so mixing is easy and scratching glass is almost impossible. Rod is 7 x 250 mm (1/4 x 10"). Pack of 12
A volumetric flask (measuring flask or graduated flask) is a piece of laboratory apparatus, a type of laboratory flask, calibrated to contain a precise volume at a certain temperature. Volumetric flasks are used for precise dilutions and preparation of standard solutions
glass burette has a 50 ml capacity with 0.1 ml divisions. It has a tolerance of +/- 0.1 ml. It is made from borosilicate glass and features a PTFE (Teflon) stopcock for ease of use. The overall height is 75 cm, and the tube is about 15 mm in diameter.
Burettes are permanently marked.