Preconcentration of Pb with Aminosilanized Fe3O4 Nanopowders in Environmental Water Followed by Electrothermal Atomic Absorption Spectrometric Determination
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Preparation of Aminosilanized Fe3O4 Magnetite
2.3. Characterization
2.4. Magnetic Solid-Phase Extraction Procedure
3. Results and Discussion
3.1. Acquisition of Base Data
3.2. Characterization of Aminosilanized Magnetite Fe3O4
3.3. Effect of Coexisting Elements
3.4. Analytical Performance
3.5. Comparison with Other Techniques
3.6. Determination of Pb in Environmental Samples
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Conflicts of Interest
Notes
References
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Method | Sample Volume (mL) | Detection Limit (pg·mL−1) | Reference |
---|---|---|---|
SPE | 100 | 110 | [25] |
HF-LLSMET | 20 | 7 | [26] |
MC-ICPOES | 3 | 1130 | [27] |
MSPE-ETAAS | 25 | 3.7 | [19] |
GO-ETAAS | 50 | 12 | [20] |
Fe3O4-ETAAS | 50 | 0.8 | [28] |
Fe3O4/HKUST-FAAS | 200 | 800 | [29] |
This work | 100 | 14 |
Sorbent | Sample | Concentration of Pb (ng·mL−1) | ||
---|---|---|---|---|
Add | Found | Recovery (%) | ||
Fe3O4 | Tap water | - | n.d. | |
0.3 | 0.33 ± 0.01 | 110 | ||
Mineral water | - | n.d. | ||
0.3 | 0.32 ± 0.01 | 106 | ||
Ground water | - | n.d. | ||
0.3 | 0.33 ± 0.01 | 110 | ||
NH2-Fe3O4 | Mineral water | - | n.d. | |
0.1 | 0.075 ± 0.010 | 75 | ||
0.5 | 0.50 ± 0.03 | 101 |
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Kusutaki, T.; Furukawa, M.; Tateishi, I.; Katsumata, H.; Kaneco, S. Preconcentration of Pb with Aminosilanized Fe3O4 Nanopowders in Environmental Water Followed by Electrothermal Atomic Absorption Spectrometric Determination. ChemEngineering 2019, 3, 74. https://doi.org/10.3390/chemengineering3030074
Kusutaki T, Furukawa M, Tateishi I, Katsumata H, Kaneco S. Preconcentration of Pb with Aminosilanized Fe3O4 Nanopowders in Environmental Water Followed by Electrothermal Atomic Absorption Spectrometric Determination. ChemEngineering. 2019; 3(3):74. https://doi.org/10.3390/chemengineering3030074
Chicago/Turabian StyleKusutaki, Tomoharu, Mai Furukawa, Ikki Tateishi, Hideyuki Katsumata, and Satoshi Kaneco. 2019. "Preconcentration of Pb with Aminosilanized Fe3O4 Nanopowders in Environmental Water Followed by Electrothermal Atomic Absorption Spectrometric Determination" ChemEngineering 3, no. 3: 74. https://doi.org/10.3390/chemengineering3030074