| View Larger Image | The Aethalometer calibration and determination of iron concentration in dust aerosols [An article from: Journal of Aerosol Science] | Digitalby P. Fialho (Author), M.C. Freitas (Author), F. Barata (Author), B. Vieira (Author), Han (Author)
| List Price: | $10.95 | | | Available: | Available for download now |
| | Binding: | Digital | | Publisher: | Elsevier | | Publication Date: | November 01, 2006 |
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Product Description
This digital document is a journal article from Journal of Aerosol Science, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.Description: This paper shows the use of the instrumental neutron activation analysis (INAA) technique to calibrate Aethalometer instruments' response to iron oxides present in Saharan dust aerosol. The five samples selected for this calibration were collected with a seven-wavelength Aethalometer (model AE31) at the summit of Pico mountain (2225m ASL) in the Azores Islands. These samples correspond to measurements taken between the 31 October and 5 November, 2001. Analysis of these samples by the INAA technique gave a total mass of 14.84+/-0.70@mg (Fe). Correlation of the analytical results with the optical measurements allowed the determination of the elemental iron calibration constant, K"F"e (0.234+/-0.022@mm^4m^2g^-^1), which can be used in the determination of iron concentrations from multi-wavelength Aethalometer measurements. As an example of this, we used Aethalometer measurements during the 2001 event to calculate hourly average dust iron, , concentrations, which range from 0.00 and 1.77@mg(Fe)m^-^3. |
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