Hierarchical Composites to Reduce N-Nitrosamines in Cigarette Smoke
Abstract
:1. Introduction
2. Results and Discussion
2.1. The Structure Properties of Composite Porous Materials
Sample | SBET a (m2 g−1) | Vt b (cm3 g−1) | Vmic c (cm3 g−1) | Vmeso d (cm3 g−1) | DBJH e (nm) |
---|---|---|---|---|---|
MZ1 | 545 | 0.62 | 0.09 | 0.53 | 9.10 |
MZ2 | 916 | 0.61 | 0.05 | 0.56 | 2.68 |
2.2. Adsorption of Volatile N-Nitrosamines from the Gaseous Phase
Sample | NDMA | NPYR | NHMI | |||
---|---|---|---|---|---|---|
Passed (mmol g−1) | Adsorbed (mmol g−1) | Passed (mmol g−1) | Adsorbed (mmol g−1) | Passed (mmol g−1) | Adsorbed (mmol g−1) | |
MZ1 | 1.67 | 1.64 | 1.13 | 1.13 | 0.74 | 0.74 |
MZ2 | 1.63 | 1.61 | 1.13 | 1.13 | 0.74 | 0.74 |
2.3. Application of Hierarchical Composites as the Filter Additive
Sample | NFDPM (mg cig−1) | Nicotine (mg cig−1) | TPM (mg cig−1) | Water (mg cig−1) | Puff No. | CO (mg cig−1) |
---|---|---|---|---|---|---|
Control | 10.6 | 0.95 | 13.0 | 1.44 | 7.3 | 9.9 |
Carbon | 9.6 | 0.92 | 12.0 | 1.45 | 7.3 | 9.6 |
MZ1 | 9.4 | 0.89 | 11.9 | 1.56 | 7.3 | 9.9 |
MZ2 | 8.8 | 0.79 | 10.8 | 1.24 | 7.1 | 9.9 |
Sample | NAB | NAT | NNK | NNN | ||||
---|---|---|---|---|---|---|---|---|
Amount (ng cig−1) | Removed (%) | Amount (ng cig−1) | Removed (%) | Amount (ng cig−1) | Removed (%) | Amount (ng cig−1) | Removed (%) | |
Control | 3.18 | - | 26.8 | - | 11.1 | - | 14.4 | - |
Carbon | 3.05 | 4.1 | 28.3 | - | 10.9 | 1.8 | 15.5 | - |
MZ1 | 2.76 | 13.2 | 24.4 | 9 | 11.6 | - | 12.2 | 15.3 |
MZ2 | 2.19 | 31.1 | 19.3 | 28 | 7.97 | 28.2 | 9.98 | 30.7 |
3. Experimental Section
3.1. Reagents and Sample Synthesis
3.2. Characterization
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Li, Y.Y.; Cao, Y.; Yue, M.B.; Yang, J.; Zhu, J.H. Hierarchical Composites to Reduce N-Nitrosamines in Cigarette Smoke. Materials 2015, 8, 1325-1340. https://doi.org/10.3390/ma8031325
Li YY, Cao Y, Yue MB, Yang J, Zhu JH. Hierarchical Composites to Reduce N-Nitrosamines in Cigarette Smoke. Materials. 2015; 8(3):1325-1340. https://doi.org/10.3390/ma8031325
Chicago/Turabian StyleLi, Yan Yan, Yi Cao, Ming Bo Yue, Jing Yang, and Jian Hua Zhu. 2015. "Hierarchical Composites to Reduce N-Nitrosamines in Cigarette Smoke" Materials 8, no. 3: 1325-1340. https://doi.org/10.3390/ma8031325