https://doi.org/10.1351/goldbook.C01064
A term referring to the optical techniques (using refraction, absorption or emission of anisotropic radiation) for investigating @C01057@ substances [e.g. measurements of @O04312@ at a fixed @W06659@, optical rotatory dispersion (ORD), circular @DT07357@ (CD), and circular @P04712@ of @L03641@ (CPL)].