| Laser Induced Breakdown Spectroscopy for Ambient Air Heavy Metals Contributor(s): Ahmed, Syed Hassan (Author), Ali Awan, Muhammad (Author) |
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ISBN: 3639312376 ISBN-13: 9783639312379 Publisher: VDM Verlag OUR PRICE: $50.27 Product Type: Paperback Published: November 2010 |
| Additional Information |
| BISAC Categories: - Technology & Engineering | Environmental - General |
| Physical Information: 0.2" H x 6" W x 9" (0.30 lbs) 84 pages |
| Descriptions, Reviews, Etc. |
| Publisher Description: Laser induced breakdown spectroscopy (LIBS) is a latest advancement in the field of analytical techniques. it can perform real time analysis with detection up to ppm levels. For detection of heavy metals in ambient air in particulate matters different techniques are used widely used technique is atomic absorption spectroscopy which is sequential, time consuming and expensive. For these reasons LIBS was used. A rapid method was developed in which LIBS was optimized to detect cadmium, zinc and lead on filter paper. Calibration curves were prepared for quantitative analysis. Then real samples from 4 different locations were collected on filter paper and were analyzed using the developed method on LIBS. To validate the results obtained by developed method on LIBS the results were compared to X-Ray Florescence technique for qualitative and on Atomic Absorption spectroscopy for quantitative analysis. The results were comparable and of same magnitude. |