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Citation: Wang Su-Hua, Chen De-Wen. The Characteristics of the Photochemical Reaction Kinetics of Sodium p-aminophenyl Sulphonate in Condensed Phase[J]. Acta Physico-Chimica Sinica, ;1998, 14(05): 458-462. doi: 10.3866/PKU.WHXB19980515 shu

The Characteristics of the Photochemical Reaction Kinetics of Sodium p-aminophenyl Sulphonate in Condensed Phase

Wang Su-Hua ,
Chen De-Wen

1.
Institute of Chemistry,Chinese Academy of Sciences,Beijing 100080

Received Date: 14 July 1997
Available Online: 15 May 1998

The photochemical degradation kinetics of Sodium pamino-Phenyl Sulphonate in aqueous solution and CdS colloid systems was studied by means of ESR method, and the kinetics behaviour for both the photoreactions in aqueous solution system and in CdS colloid system was compared. The results indicated that both the initial concentrations of SSN and the presence of CdS colloid obviously affected the photodegradation processes of SSN in the way of enhancing the rate constants for the formation of free radical SO3-•. The kinetics processes of photoreartions were treated by the quasi-stationary analysis method, the results of analysis are consistent with the phenomena observed in our experiments. The experimental results were briefly analyzed and discussed.
- Sodium p-aminophenylsulphonate,
- Photodegradation,
- Kinetics,
- Free radical,
- CdS colloid
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