... View online: http://dx.doi.org/10.1063/1.439525 View Table of Contents: http://scitation.aip.org/ content/aip/journal/jcp/72 ... Photolysis quantum yields were determined by chemical actinometry based on the production of C2H2 in the photolysis of ethyl- enelO (¢C2H2 = 1 ... J. Chern. ...