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Construction and Characterization of a Compact, Portable, Low-Cost Colorimeter for the Chemistry Lab
Peer reviewed
Direct linkClippard, Carrie M.; Hughes, William; Chohan, Balwant S.; Sykes, Danny G. – Journal of Chemical Education, 2016
A low-cost and portable colorimeter was constructed featuring a low-voltage programmable color light sensor-to-frequency converter, a CMOS 8-bit microcontroller, and an LCD display. The instrument has successfully facilitated the introduction and application of spectroscopy to groups of middle school, high school, and undergraduate students. A…
Descriptors: Chemistry, Laboratory Equipment, Cost Effectiveness, Light
