Open AccessA Simple Photometer Based on a New Tri-Colour Light-Emitting Diode
Author(s) -
Peter C. Hauser,
Thusitha Rupasinghe,
Robin Tan
Publication year - 1995
Publication title -
chimia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.387
H-Index - 55
eISSN - 2673-2424
pISSN - 0009-4293
DOI - 10.2533/chimia.1995.492
Subject(s) - photometer , absorbance , diode , optoelectronics , light emitting diode , simple (philosophy) , materials science , optics , cover (algebra) , physics , engineering , mechanical engineering , philosophy , epistemology
Light-emitting diodes which can produce blue, green, and red light and therefore cover most of the visible range have recently been introduced. Such a device is used in the construction of a simple and compact photometer for molecular absorbance measurements in analytical chemistry.