Volumetric flask 25 ml 1-25-2 GOST 1770-74 - a type of vessel used for laboratory work when an exact volume of liquid or solution is needed.
Volumetric flasks are used for:
- preparing solutions of precise concentration in a volumetric flask;
- preparing solutions of the required concentration in another container;
- mixing different solutions;
- measuring the exact volume of liquid.
Flasks are made of chemically resistant glass.