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This optical absorption measurement of Tetraphenylsapphyrin were made by M. Taniguchi on 10-04-2004 using a HP 8453. The absorption values were collected using a spectral bandwidth of 1.0 nm.
These measurements were scaled to make the molar extinction coefficient match the value of 74,900cm-1/M at 493.0nm (Chmielewski, 1995).
Chmielewski, P. J., L. Latos-Grazynski and K. Rachlewicz (1995) 5,10,15,20-Tetraphenylsapphyrin - Identification of a pentapyrrolic expanded porphyrin in the Rothemund synthesis. Chem. Eur. J. 1, 68-73.
Dixon, J. M., M. Taniguchi and J. S. Lindsey (2005), "PhotochemCAD 2. A Refined Program with Accompanying Spectral Databases for Photochemical Calculations, Photochem. Photobiol., 81, 212-213.
Du, H., R.-C. A. Fuh, J. Li, L. A. Corkan and J. S. Lindsey (1998) PhotochemCAD: A computer-aided design and research tool in photochemistry. Photochem. Photobiol. 68, 141-142.