Radial Differential Mobility Analyzer for One Nanometer Particle Classification
We present details on the design, construction, and calibration of a radial differential mobility analyzer suitable for sizing aerosol nanoparticles with mobility diameters as small as one nanometer. Design improvements targeted decreasing the residence time with a concomitant reduction in particle...
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Veröffentlicht in: | Aerosol science and technology 2009-01, Vol.43 (1), p.53-59 |
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creator | Brunelli, N. A. Flagan, R. C. Giapis, K. P. |
description | We present details on the design, construction, and calibration of a radial differential mobility analyzer suitable for sizing aerosol nanoparticles with mobility diameters as small as one nanometer. Design improvements targeted decreasing the residence time with a concomitant reduction in particle agglomeration and diffusional losses to walls. Calibration was performed using aerosolized monodisperse molecular ions. Instrument resolution was found to increase with applied voltage as V
1/2
, indicating that diffusion is broadening the transfer function and reaching a value of ∼7 for the largest molecular ion measured (mobility diameter of 1.47 nm). The mobilities of three molecular ions in the tetra-alkyl ammonium halide homologous series are also reported. |
doi_str_mv | 10.1080/02786820802464302 |
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1/2
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1/2
, indicating that diffusion is broadening the transfer function and reaching a value of ∼7 for the largest molecular ion measured (mobility diameter of 1.47 nm). The mobilities of three molecular ions in the tetra-alkyl ammonium halide homologous series are also reported.</description><subject>Aerosols</subject><subject>Calibration</subject><subject>Chemistry</subject><subject>Colloidal state and disperse state</subject><subject>Design</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Ions</subject><subject>Nanoparticles</subject><subject>Physical and chemical studies. Granulometry. Electrokinetic phenomena</subject><issn>0278-6826</issn><issn>1521-7388</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkE2rEzEUhoMoWKs_wN0g6G40OZlJMuCm9KpXqFZE1yHNB6RkJjVJuXf89aa0urCgq5ycPM855EXoOcGvCRb4DQYumIBaQsc6iuEBWpAeSMupEA_R4vTeVoA9Rk9y3mOMCQeyQNuvyngVmhvvnE12KqfLp7jzwZe5WU0qzD9talxMzXayzWc1xdGW2vmiUvE62GYdVM7eea2Kj9NT9MipkO2zy7lE39-_-7a-bTfbDx_Xq02rO9qVllA9YObA2aFWYIQFgykWhmmz06LjIAgVmuyGoe8VsYaRQTsw0A09Zz2nS_TqPPeQ4o-jzUWOPmsbgppsPGZJQXAOdKjgi7_AfTym-q8sgWDKOAFWIXKGdIo5J-vkIflRpVkSLE_5yqt8q_PyMlhlrYJLatI-_xGBUGAd6yv39sz5qaY4qruYgpFFzSGm3xL91xr-X_3KkuW-0F-coZ4u</recordid><startdate>20090101</startdate><enddate>20090101</enddate><creator>Brunelli, N. A.</creator><creator>Flagan, R. C.</creator><creator>Giapis, K. P.</creator><general>Taylor & Francis Group</general><general>Taylor & Francis</general><general>Taylor & Francis Ltd</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>7TG</scope><scope>8FD</scope><scope>FR3</scope><scope>KL.</scope></search><sort><creationdate>20090101</creationdate><title>Radial Differential Mobility Analyzer for One Nanometer Particle Classification</title><author>Brunelli, N. A. ; Flagan, R. C. ; Giapis, K. P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c434t-13c906f2fe93c92d8e2d0308d6cdbc84728138c1b9955a1ed619cf2d249576573</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Aerosols</topic><topic>Calibration</topic><topic>Chemistry</topic><topic>Colloidal state and disperse state</topic><topic>Design</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Ions</topic><topic>Nanoparticles</topic><topic>Physical and chemical studies. Granulometry. Electrokinetic phenomena</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Brunelli, N. A.</creatorcontrib><creatorcontrib>Flagan, R. C.</creatorcontrib><creatorcontrib>Giapis, K. P.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Aerosol science and technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Brunelli, N. A.</au><au>Flagan, R. C.</au><au>Giapis, K. P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Radial Differential Mobility Analyzer for One Nanometer Particle Classification</atitle><jtitle>Aerosol science and technology</jtitle><date>2009-01-01</date><risdate>2009</risdate><volume>43</volume><issue>1</issue><spage>53</spage><epage>59</epage><pages>53-59</pages><issn>0278-6826</issn><eissn>1521-7388</eissn><coden>ASTYDQ</coden><abstract>We present details on the design, construction, and calibration of a radial differential mobility analyzer suitable for sizing aerosol nanoparticles with mobility diameters as small as one nanometer. Design improvements targeted decreasing the residence time with a concomitant reduction in particle agglomeration and diffusional losses to walls. Calibration was performed using aerosolized monodisperse molecular ions. Instrument resolution was found to increase with applied voltage as V
1/2
, indicating that diffusion is broadening the transfer function and reaching a value of ∼7 for the largest molecular ion measured (mobility diameter of 1.47 nm). The mobilities of three molecular ions in the tetra-alkyl ammonium halide homologous series are also reported.</abstract><cop>Colchester</cop><pub>Taylor & Francis Group</pub><doi>10.1080/02786820802464302</doi><tpages>7</tpages></addata></record> |
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source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; IngentaConnect Free/Open Access Journals; Free Full-Text Journals in Chemistry |
subjects | Aerosols Calibration Chemistry Colloidal state and disperse state Design Exact sciences and technology General and physical chemistry Ions Nanoparticles Physical and chemical studies. Granulometry. Electrokinetic phenomena |
title | Radial Differential Mobility Analyzer for One Nanometer Particle Classification |
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