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TitleAn on-site method for measuring aluminum speciation in shallow well water samples from areas exposed to acid deposition
DownloadDownload (whole publication)
AuthorMeranger, J C; Lett, R E; Pickering, T
SourceGEOANALYSIS 90, an international symposium on the analysis of geological materials; by Hall, G E M (ed.); Geological Survey of Canada, Bulletin 451, 1993 p. 121-125, (Open Access)
PublisherNatural Resources Canada
MeetingGEOANALYSIS 90; Huntsville, Ontario; CA; June 3-7 1990
Mediapaper; on-line; digital
RelatedThis publication is contained in Hall, G E M; (1993). GEOANALYSIS 90, an international symposium on the analysis of geological materials, Geological Survey of Canada, Bulletin no. 451
File formatpdf
ProvinceNova Scotia
NTS20O/16; 20P; 21A
AreaBridgewater; Yarmouth; Shelburne
Lat/Long WENS-66.2500 -64.0000 45.0000 43.5000
Subjectsgeochemistry; analytical methods; chemical analysis; aluminum geochemistry; water geochemistry; acid drainage; water wells; atomic absorption spectrometry; inductively coupled plasma emission spectrometry; Cambrian; Ordovician
Illustrationssketch maps; analyses
Released1994 01 01
AbstractAn on-site procedure involving filtration and ion exchange has been developed to study aluminum speciation in water samples collected from shallow wells. Immediately following collection the samples are mixed continuously with Chelex 100 ion exchange resin for eight hours. At intervals during the mixing cycle subsamples of the water are taken, preserved with acid, and later analyzed for aluminum by graphite furnace atomic absorption spectrophotometry. The method has been applied to an examination of Al chemistry in the water from shallow wells in rural areas of eastern Canada where there is evidence of exposure to the impact of acid deposition. The results show that in weakly acid wells much of the Al remains in polymeric form whereas in more strongly acid waters (below pH 5.8) the Al is predominantly in an easily extractable monomeric form.