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Aitken nuclei counter

Aitken nuclei counter

A Dictionary of Ecology | 2004 | | Copyright

Aitken nuclei counter A device invented by John Aitken that is used to estimate the concentration of particles with radii of more than 0.001 μm in a sample of air. Air is made to expand in a chamber. This causes it to cool and water vapour in it condenses on to particles, forming a mist whose opacity allows estimation of the number of particles present. See also Aitken nucleus.
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MICHAEL ALLABY. "Aitken nuclei counter." A Dictionary of Ecology. 2004. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "Aitken nuclei counter." A Dictionary of Ecology. 2004. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O14-Aitkennucleicounter.html

MICHAEL ALLABY. "Aitken nuclei counter." A Dictionary of Ecology. 2004. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-Aitkennucleicounter.html

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Aitken nuclei counter

A Dictionary of Earth Sciences | 1999 | | Copyright

Aitken nuclei counter Device for the estimation of the concentration of particles with radii of more than 0.001 μm in a sample of air. Air is made to expand in a chamber: this causes it to cool. Water vapour in it condenses on to particles, forming a mist whose opacity allows estimation of the number of particles present. See also AITKEN NUCLEUS.
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AILSA ALLABY and MICHAEL ALLABY. "Aitken nuclei counter." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "Aitken nuclei counter." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O13-Aitkennucleicounter.html

AILSA ALLABY and MICHAEL ALLABY. "Aitken nuclei counter." A Dictionary of Earth Sciences. 1999. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Aitkennucleicounter.html

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