| Title: | A METHOD FOR QUANTIFICATION OF MINERAL DUST IN AIR BASED ON OPTICAL ABSORPTION OF PARTICLES CONCENTRATED BY A VIRTUAL IMPACTOR AND A DEVICE PERFORMING THE SAID METHOD |
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| Authors: | ID Drinovec, Luka (Author)
ID Močnik, Griša (Author)
ID STAVROULAS, IASONAS (Author)
ID BEZANTAKOS, SPIROS (Author)
ID Pikridas, Michael (Author)
ID UNGA, FLORIN (Author)
ID SCIARE, JEAN (Author) |
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| Files: |
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| Language: | English |
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| Work type: | Not categorized |
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| Typology: | 2.24 - Patent |
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| Organization: | UNG - University of Nova Gorica
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| Abstract: | The present invention belongs to the field of devices and methods for measurement of particle concentration, more precisely to the field of devices and methods for quantification of particles based ontheir physical characteristics, especially with the use of optical means. The invention relates to a method for determination of ambient mineral dust concentration based on optical absorption of particles concentrated by a virtual impactor as well as a device performing the said method. The method comprises the following steps: sampling air samples with particle size smaller than 1 mum (PM1) andsampling air samples with particle size up to 10 mum; concentrating the samples with particle sizes up to 10 mum with a virtual impactor; measuring optical absorption of collected samples at least onewavelength from UV to IR spectre, preferably from 370 to 950 nm, most preferably at 370 nm; subtracting the absorption of the samples with particle size smaller than 1 mum from the absorption of thesample concentrated by the virtual impactor. |
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| Keywords: | dust, black carbon, aerosol |
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| PID: | 20.500.12556/RUNG-8020 |
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| COBISS.SI-ID: | 144286979 |
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| NUK URN: | URN:SI:UNG:REP:ZBXLKN2M |
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| Publication date in RUNG: | 07.03.2023 |
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| Views: | 1248 |
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| Downloads: | 0 |
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