比ひ色しょく計けい

noun

colorimeter

A device used in chemistry to measure the concentration of a colored compound in solution by comparing its color intensity to a standard.

• この実じっ験けんでは比ひ色しょく計けいを使つかって溶よう液えきの濃のう度どを測そく定ていします。

  In this experiment, we measure the concentration of the solution using a colorimeter.