Nanometer Titanium Dioxide Mediated High Efficiency Photodegradation of Fluazifop-p-Butyl
Abstract
:1. Introduction
2. Materials and Methods
2.1. Chemicals and Equipment
2.2. Analytical Instruments
2.3. Experimental Procedure
2.3.1. Optimization of Nano-TiO2 Dosage
2.3.2. Photolytic Kinetics
2.3.3. Identification of Photolysis Products
3. Results and Discussion
3.1. Optimized Nano-TiO2 Dosage
3.2. Photolysis Kinetics and Photosesitization Efficiency
3.3. Identification of Photolysis Products
3.4. Photodegradation Pathway
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Compound No. | Retention Time (Minute) | Major Fragment Ion(m/z) | Speculative Structure and Precise Molecular Weight |
---|---|---|---|
1 | 7.25 | 57, 75, 130 | (130) |
2 | 8.40 | 69, 78, 127, 147 | (147) |
3 | 9.85 | 73, 96, 146, 163, 235 | (163 = 235–73 + 1) |
4 | 10.87 | 73, 66, 78, 94, 166 | (93 = 166–73 + 1) |
5 | 14.63 | 121, 146, 238, 254, 283 | (283) |
6 | 16.69 | 73, 74, 117, 146 | (74 = 146–73 + 1) |
7 | 28.02 | 73, 81, 110, 165, 254 | (110 = 254–73−73 + 2) |
8 | 28.82 | 73, 146, 235, 238, 327 | (255 = 327–73 + 1) |
9 | 31.83 | 73, 146, 237, 282, 327, 399 | (327 = 399–73 + 1) |
10 | 38.79 | 146, 238, 254, 282, 383 | (383) |
11 | 40.40 | 73, 145, 254, 282, 310, 383, 471 | (399 = 471–73 + 1) |
12 | 44.42 | 73, 131, 146, 238, 385 | (313 = 385–73 + 1) |
13 | 47.77 | 73, 129, 165, 181, 310 | (238 = 310–73 + 1) |
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Li, G.; Hou, Z.; Zhang, R.; Chen, X.; Lu, Z. Nanometer Titanium Dioxide Mediated High Efficiency Photodegradation of Fluazifop-p-Butyl. Int. J. Environ. Res. Public Health 2019, 16, 3600. https://doi.org/10.3390/ijerph16193600
Li G, Hou Z, Zhang R, Chen X, Lu Z. Nanometer Titanium Dioxide Mediated High Efficiency Photodegradation of Fluazifop-p-Butyl. International Journal of Environmental Research and Public Health. 2019; 16(19):3600. https://doi.org/10.3390/ijerph16193600
Chicago/Turabian StyleLi, Guangling, Zhiguang Hou, Ruihong Zhang, Xiling Chen, and Zhongbin Lu. 2019. "Nanometer Titanium Dioxide Mediated High Efficiency Photodegradation of Fluazifop-p-Butyl" International Journal of Environmental Research and Public Health 16, no. 19: 3600. https://doi.org/10.3390/ijerph16193600