1. Department of Chemistry
2. School of Science
3. Tianjin University
4. Tianjin 300354
5. China
6. National Foodstuff Inspection Center
7. Tianjin Product Quality Inspection Technology Research Institute
8. Tianjin 300384
9. Shi Jia Zhuang University of Applied Technology
10. Shijiazhuang 050081
11. Shandong Yu Hong New Pigment Co., Ltd.
12. Dezhou 253000