J4 ›› 2011, Vol. 49 ›› Issue (06): 1157-1161.
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XUE Honghai, GUO Zhixin, WANG Yunfeng, LI Linlin, LI Zhe, KANG Chunli
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Abstract:
We investigated the photoconversion laws of α-naphthol in laboratory simulation experiments in ice under UV irradiation, studied the impact factors, analyzed the photoproducts, and deduced reaction mechanisms. The results show that α-naphthol could be photoconverted under UV irradiation in ice, and the conversion rate increased with the decreasing of initial concentration of α-naphthol, and increased with the increasing of light intensity and ultrasonic time. The photoconversion rate of αnaphthol in natural Songhua River water was faster than that in distilled water. Strong acidic or basic conditions were beneficial to the photoconversion of αnaphthol. Added NO-3,NO-2,HCO-3,Fe2+,Fe3+, and Mn2+ all promoted the photoconversion of α-naphthol. Cl- had no significant impact on the photoconversion of α-naphthol. Four photoproducts were determined by GC-MS in the photoconversion of α-naphthol, and the proposal photoconversion pathways of α-naphthol were condensation, oxidation and reduction reactions.
Key words: α-naphthol, photoconversion, ice
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XUE Hong-Hai, GUO Zhi-Xin, WANG Yun-Feng, LI Lin-Lin, LI Zhe, KANG Chun-Chi. Photoconversion of α-Naphthol under UV Irradiation in Ice[J].J4, 2011, 49(06): 1157-1161.
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http://xuebao.jlu.edu.cn/lxb/EN/Y2011/V49/I06/1157
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