Colorimeter

A colorimeter is a device used for measuring colours, or colorimetry. It measures the absorbance of different wavelengths of light in a solution. It can be used to measure the concentration of a known solute. Different parts: The most important parts of a colorimeter are: a light source, which is usually an ordinary filament lamp an aperture, which can be adjusted a set of filters in different colors a detector that measures the light which has passed through the solution