The sensor is then able to determine the concentration of the gas.

A bio-assay method for determining the fumigant concentration in air.

Other tests use colorimetric changes to determine the concentration of the chemical in question.

The Winkler test is used to determine the concentration of dissolved oxygen in water samples.

The particle counter determines the concentration and the size distribution of the particles.

To determine the concentration, you may compare the areas under the peaks.

Standard solutions are also commonly used to determine the concentration of an analyte species.

Here the residence time is being used to determine the changing concentration of a contaminant in a system.

This can be integrated to determine the concentration at each moment of time.

If the extinction coefficient is known, it can be used to determine the concentration of a protein in solution.