Sulaiman, Fazrul Razman, Brimblecombe, Peter and Grossi, Carlota M. (2009) Mobilization and loss of elements from roofing tiles. Environmental Geology, 58 (4). pp. 795-801. ISSN 1432-0495

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Abstract

Deposition, leaching and chemical transformation are processes that affect roofing tile and roof runoff water. Leaching experiments, with artificial rainwater in the laboratory, showed the presence of Na+, K+, Mg2+, Ca2+, Cl-, NO3-, SO42-, with a ratio of Ca2+ and SO42- suggesting gypsum dissolution. X-ray fluorescence (XRF) of the exposed roof tile showed depletion such as Mg, Al, Si, P, Ti and K at the surface of the tile and an enrichment of Fe and Mn which hinted at a process akin to laterite formation. However, calcium appeared to be enriched at the surface as gypsum (confirmed by X-ray diffraction) and to a lesser extent calcite, which is characteristic of deposits on building surfaces in cities.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Environmental Sciences
UEA Research Groups:	Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences Faculty of Science > Research Groups > Marine and Atmospheric Sciences (former - to 2017) Faculty of Medicine and Health Sciences > Research Groups > Health Promotion
Depositing User:	Rosie Cullington
Date Deposited:	23 Feb 2011 11:43
Last Modified:	16 Jun 2026 12:42
URI:	https://uea-test-2026.eprints-hosting.org/id/eprint/24495
DOI:	10.1007/s00254-008-1556-x

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