In chemistry, concentration is the amount of substance divided by the total volume of a given mixture. In other words, it indicates the portion of a substance that is part of the volume of the mixture. The description of the concentration of substances is regulated by the standard DIN 1310.
There are many different types of concentration measures, such as:
For the proper use of the term, it must be clearly defined which information is being used.
In the case of a low concentration, the solution is referred to as either diluted or aqueous; solutions with high amounts of a given substance are designated as concentrated.