Chemical Education Today
Letters In the article, “Pushing the Rainbow: Frontiers in Color Chemistry; Light and Color in Chemistry” (J. Chem. Educ. 1999, 76, 737–746), the section on Exploring Color and Periodic Properties with Light-Emitting Diode Lasers should have stated that the new, intense blue LEDs contain aluminum, gallium, indium, and nitrogen (not phosphorus).
JChemEd.chem.wisc.edu • Vol. 76 No. 7 July 1999 • Journal of Chemical Education
897