Paper chromatography, in analytical chemistry, technique for separating dissolved chemical substances by taking advantage of their different rates of migration across sheets of paper. It is an inexpensive but powerful analytical tool that requires very small quantities of material.
Chroma Definition - Definitions and Terms for Antiques ... Chroma Definition Literally, the word ‘Chroma’ means the intensity or purity of color. In art, the word refers to the definite combination of the intensity of a color (not the colors in black-white scale), its hue, and saturation or its degree of vividness.
chroma - Definition of chroma and synonyms of chroma are presented by online Webster's Dictionary. Includes dictionary browser, morphological search by meaning of chroma, thesaurus...
Oct. 31, 2019 Title 7 Agriculture Parts 27 to 52 Revised as of January 1, 2020 Containing a codification of documents of general applicability and future effect As of January 1, 2020