visual colorimetry
visual colorimetry
[′vizh·ə·wəl ‚kəl·ə′rim·ə·trē] (analytical chemistry)
A procedure for the determination of the color of an unknown solution by visual comparison to color standards (solutions or color-tinted disks).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.