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Citation: Song Xiaoqing*, Chen Jianxin, Zhang Xingkang, Xu Guangzhi, Tang Youqi. PULSED LASER PHOTOACOUSTIC CALORINETER AND THE DIRECT HEASUREMENTS OF RADIATIONLESS QUANTUM YIELDS OF COUMARINS[J]. Acta Physico-Chimica Sinica, ;1989, 5(04): 463-468. doi: 10.3866/PKU.WHXB19890416 shu

PULSED LASER PHOTOACOUSTIC CALORINETER AND THE DIRECT HEASUREMENTS OF RADIATIONLESS QUANTUM YIELDS OF COUMARINS

1.
Institute of Chemistry; Academia Sinica; Beijing, Department of Chemistry; Peking University; Beijing

Received Date: 8 January 1988
Available Online: 15 August 1989

A high sensitive pulsed laser photoacoustic calorimeter for liquid sample has been set up in our laboratory. Using this equipment, the radiationless quantum yields of three coumarins in absolute ethanol were measured to be 0.50±0.02, 0.47±0.02, and 0.38±0.02 for C428, C47 and C120, respectively.
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