Air ioniser
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An air ioniser is a device that uses high voltage to ionise air molecules. Negative ions, or anions, are particles with one or more extra electrons, conferring a net negative charge to the particle. C
This photo shows the sterilisation effects of negative air ionization on a chamber injected with aerosolised Salmonella enteritidis. The left sample is untreated; the right, treated.
Air ioniser and purifier with its dust collection plates removed
Ozone
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Ozone, also called trioxygen, is an inorganic molecule with the chemical formula O3. It is a pale-blue gas with a distinctively pungent odour. It is an allotrope of oxygen that is much less stable tha
Air ioniser
…the fanless types distribute air slowly, taking a longer time to purify air, but are noiseless and more energy efficient. Ionisers are distinct from ozone generators, although both devices operate in a similar way. Ionisers use electrostatically charged plates to produce positively or negatively charged air ions…
Christian Friedrich Schönbein (18 October 1799 – 29 August 1868)
A prototype ozonometer built by John Smyth in 1865
Concentration of ozone as measured by the Nimbus-7 satellite
Ozone cracking in natural rubber tubing