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水溶液性质对泰乐菌素光降解的影响

DOI: 10.11654/jaes.2014.12.023, PP. 2444-2449

Keywords: 抗生素,泰乐菌素,光降解,pH,腐植酸

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Abstract:

自然水体中的泰乐菌素的光降解通常受水溶液性质影响,以紫外灯作为光源,考察了水中泰乐菌素(TYL)的光降解特性及影响因素.结果表明,初始浓度为10mg·L-1的TYL水溶液的6h后光降解效率在50%左右.碱性条件有助于TYL的光解,酸性和中性条件下TYL的光解情况相似;溶液的初始浓度、NO3-浓度和腐植酸浓度的增大均可抑制TYL的光解.直接光降解可能是水体中泰乐菌素光降解的主要途径.

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