These Erlenmeyer flasks are made of borosilicate glass and have a narrow neck. They are used for mixing liquids. The bulk pack includes 12 flasks of 50ml, 100ml, 500ml and 1000ml, and 36 flasks of 250ml. A total of 84 Erlenmeyer flasks.
Erlenmeyer flasks are used for a wide range of experiments. An example is titration, e.g. for pH. Because of its flat bottom, they can be held and the content mixed single handed, leaving the other hand free to add the reagent.