In the Beer Lambert Law (equation 3) the term IT/Io is called transmittance. This form of spectroscopy has a setup similar to the one used for Absorption. Reflectance spectroscopy is the study of light as a function of wavelength that has been reflected or scattered from a solid, liquid, or gas.
Definition of metadata: Data that serves to provide context or additional information about other data. For example, information about the title, subject, author, typeface, enhancements, and size of the data file of a ...
Wikipedia defines metadata as âstructured information that describes, explains, locates, or otherwise makes it easier to retrieve, use or manage an information resource.â Those who have been in IT for more than a few years know that the concept of metadata is not new: itâs a term that emerged in the late 1960âs.