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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zhong, Shi Lei Lu, Yuan Kong, Wei Jin Cheng, Kai Zheng, Ronger |
| Copyright Year | 2016 |
| Abstract | In this study, an ultrasonic nebulizer unit was established to improve the quantitative analysis ability of laser-induced breakdown spectroscopy (LIBS) for liquid samples detection, using solutions of the heavy metal element Pb as an example. An analytical procedure was designed to guarantee the stability and repeatability of the LIBS signal. A series of experiments were carried out strictly according to the procedure. The experimental parameters were optimized based on studies of the pulse energy influence and temporal evolution of the emission features. The plasma temperature and electron density were calculated to confirm the LTE state of the plasma. Normalizing the intensities by background was demonstrated to be an appropriate method in this work. The linear range of this system for Pb analysis was confirmed over a concentration range of 0–4,150ppm by measuring 12 samples with different concentrations. The correlation coefficient of the fitted calibration curve was as high as 99.94% in the linear range, and the LOD of Pb was confirmed as 2.93ppm. Concentration prediction experiments were performed on a further six samples. The excellent quantitative ability of the system was demonstrated by comparison of the real and predicted concentrations of the samples. The lowest relative error was 0.043% and the highest was no more than 7.1%. |
| Starting Page | 1 |
| Ending Page | 9 |
| Page Count | 9 |
| File Format | |
| ISSN | 20950462 |
| Journal | Frontiers of Physics |
| Volume Number | 11 |
| Issue Number | 4 |
| e-ISSN | 20950470 |
| Language | English |
| Publisher | Higher Education Press |
| Publisher Date | 2016-02-02 |
| Publisher Institution | Chinese Universities |
| Publisher Place | Beijing |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | laser-induced breakdown spectroscopy (LIBS) ultrasonic nebulizer quantitative analysis water solution plasma diagnostics Atomic, Molecular, Optical and Plasma Physics Condensed Matter Physics Particle and Nuclear Physics Astronomy, Astrophysics and Cosmology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy |
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