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dc.contributor.authorLakhani, Anita-
dc.contributor.authorSatsangi, G S-
dc.contributor.authorParmar, R S-
dc.contributor.authorPrakash, Satya-
dc.identifier.issn0975-105X (Online); 0367-8393 (Print)-
dc.description.abstractFog water, aerosols and gas phase samples were collected during the months of December 2000 and January 2001 at Dayalbagh, Agra. Major cations (Ca2+, Mg2+, Na+ and K+) and anions (F¯, Cl¯, NO3¯ and SO42-) were analysed by ICP-AES and ion chromatography in the fog and aerosol samples, while gaseous species like SO2, HNO3, NH3 (as NH4+) and O3 were measured by colorimetric method. The species NH4+, NO3¯, and SO42- were the dominant ions in fog water, which was inferred as the influence of agricultural and fuel combustion activities on fog composition. In all the samples, Ca2+/Mg2+ ratio was almost constant indicating their origin from soil, while the Ca2+/K+ ratios was highly variable indicating release of K+ from combustion sources. High concentration of SO42- in fog water samples are attributed to its formation by the aqueous phase oxidation of SO2. Calculated values show that oxidation of SO2 is facilitated by O3 concentration rather than Mn2+ catalyzed reactions. High concentrations of NO3¯ and NH4+ in fog water samples may be due to dissolution of NO3¯ and NH4+ aerosols.en_US
dc.publisherNISCAIR-CSIR, Indiaen_US
dc.relation.ispartof92.60.Jq; 92.60. Mten_US
dc.rights CC Attribution-Noncommercial-No Derivative Works 2.5 Indiaen_US
dc.sourceIJRSP Vol.34(1) [February 2005]en_US
dc.subjectFog wateren_US
dc.titleChemistry of sulphur and nitrogen species and other major cations/anions in fog wateren_US
Appears in Collections:IJRSP Vol.34(1) [February 2005]

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