The basic working principle of colorimetric sensing is colorimetry, which is a visible change in color that results from a chemical interaction between the sensing/detecting material and the target ...

Colorimetry is, as the name suggests, the study of color. The technique differs from spectroscopy, which measures spectral output across a range of wavelengths, as it is concerned with how color is ...

Having immediate access to clean freshwater is often taken for granted. The different stages of treatment that raw water from streams, rivers and lakes experiences to make sure a plentiful supply of ...