5 results found

Search Results for: absorbance

Absorbance

Definition noun (analytical chemistry) A logarithmic measure of the amount of light absorbed (at particular wavelength) as... Read More

Specific absorption coefficient

Definition noun A factor that measures the absorbance of light per unit of path length (of the spectrophotometer cuvette,... Read More

Molar extinction coefficient

Definition noun (spectrophotometry) The measure of how strongly a substance absorbs light at a particular wavelength, and is... Read More

Beer-Lambert law

Definition noun The principal law in spectrometry in which it states that the absorbance at a given wavelength of light is... Read More

Optical density

Definition noun (1) The measure of transmittance of an optical medium for a given wavelength. The higher the OD the lower... Read More