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Citation: Lu Qing-Zheng, Melton Lynn A.. Pulsed,Time-Resolved Photoacoustic Calorimetry for Optically Thick Solutions[J]. Acta Physico-Chimica Sinica, ;1990, 6(03): 360-363. doi: 10.3866/PKU.WHXB19900321 shu

Pulsed,Time-Resolved Photoacoustic Calorimetry for Optically Thick Solutions

1.
Depratment of Modern Chemistry, University of Science and Technology of China, Hefei; Department of Chemistry, University of Texas at Dallas, USA

Received Date: 17 October 1988
Available Online: 15 June 1990

A sandwich quartz cell is designed and a flow system is set up for photoacoustic calorimentry measurements in the case of optically thick solutions. Marquardt nonlinear least square is modified to fit the experimental time-resolved waveforms. The quenching of benzophenone triplet state by dienes is observed using the apparatus and the results are in agreement with K. Peters' values.
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