A reagent grade is a classification used to describe specific chemical substances that meet the highest of purity standards. Typically, these chemicals must be pure enough to ensure the reliability of testing and analysis. … Other chemicals that are less pure but still useful may be given a lesser classification grade.

What are the different grades of reagents?

Most laboratory chemicals are labelled with a grade which generally indicates the purity of the chemical. There are many different standards used in grading, however, the three you are most likely to encounter are: ACS, Reagent Grade and Laboratory Grade.

What are the different grades of chemical?

The three most common chemical grades are ACS, Reagent, and Laboratory grade.