stock solutions

A stock solution is a concentrated mixture of a substance, prepared so that it can be diluted later to create smaller amounts of working solutions with specific concentrations. It acts as a readily available, stable source that saves time and ensures accuracy when preparing experiments or formulations. For example, instead of repeatedly measuring small amounts of a chemical, a scientist prepares a large, concentrated stock solution and then dilutes it to the desired strength when needed. This process improves consistency, efficiency, and safety in laboratory procedures.