Abstract
Upon excitation of carbon disulphide (CS2) molecules under UV light irradiation at 313 nm a gaseous mixture of CS2 and glyoxal deposited sedimentary aerosol particles only. The nucleation process of the aerosol particles was investigated by measuring the He–Ne laser light intensity scattered by the aerosol particles formed under light irradiation at 313 nm, and the chemical structure of the sedimentary particles was analysed by measuring the FT-IR and X-ray photoelectron spectra. On application of a magnetic field of up to 5 T, the nucleation process was decelerated and the chemical species originating from CS2 were less abundant. The results were compared with those obtained under visible light irradiation at 435.8 nm reported previously. Chemical reactions between CS2 and glyoxal molecules, which were responsive to the magnetic field, are discussed briefly.
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