PChemLabTXT_page_499

PChemLabTXT | page 499 | https://thedailydialectics.com/pdfs/education/chemistry/p-chem/PChemLabTXT/PChemLabTXT.pdf

Rev. Confirming Pages ic 488 Chapter XIV Spectroscopy gar28420_ch14_393-499 Sec10:488 Following excitation at 532 nm into the *T, state at room temperature, most of the excited Cr** ions fall to the 7E level, thereafter emitting at 694.3 nm. The resultant phos- phorescence intensity decays as —t 1…