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  • 1
    Electronic Resource
    Electronic Resource
    Acid dissociation and nickel-complex formation constants of some nitrosonaphtholsulphonate ligands
    Amsterdam : Elsevier
    Polyhedron 8 (1989), S. 473-477 
    Details
    ISSN: 0277-5387
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/S0277-5387(00)80744-5
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Heavy metals in Jamaican surface soils (1996)
    Springer
    Environmental geochemistry and health 18 (1996), S. 113-121 
    Details
    ISSN: 1573-2983
    Keywords: Heavy metals ; arsenic ; cadmium ; copper ; lead ; soils ; neutron activation analysis ; X-ray fluorescence atomic absorption spectrophotometry ; bauxite
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Medicine
    Notes: Abstract A regional survey of Jamaican surface soils has been conducted in which more than 200 samples were collected at a sample density of 1 per 64 km2 across the island and analysed for total concentrations of 31 elements by instrumental neutron activation analysis (INAA), energy dispersive X-ray fluorescence (EDXRF) analysis and atomic absorption spectrophotometry (AAS). The aim of the survey was to begin the construction of a high-precision geochemical database to provide information on elemental levels in soils for application to environmental studies, agriculture, and human and animal health. Results on the regional scale are presented for As, Cd, Cu, Hg and Pb. Although Jamaican surface soils are enriched in several heavy metals compared with world soil means and crustal abundances, lead is of particular importance at this stage because of its occurrence in residential areas. Except for Cu, the distribution maps of these elements are highly correlated with bauxite which in Jamaica is associated with white limestone geology and residualterra rossa soils.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01771287
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Suspended particulates in the Jamaican atmosphere (1997)
    Springer
    Environmental geochemistry and health 19 (1997), S. 0-0 
    Details
    ISSN: 1573-2983
    Keywords: Atmospheric particulates ; bromine ; Jamaica ; lead
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Medicine
    Notes: Abstract The results of a survey of air particulates at 23 sites across Jamaica for total suspended particulates (TSP), Al, Br, Cl, Na, Pb, and V, by instrumental neutron activation analysis (INAA) and X-ray fluorescence analysis (XRF) are reported. The geometric mean of TSP values, 35 g m-3, is well within the World Health Organisation's standard of 60 g m-3 for TSP, but in areas of high vehicular traffic density the TSP values exceeded this limit. The correlation coefficient between Br and Pb concentrations in the particulates was 0.92 and the Br/Pb ratio of 0.38 compares well with a ratio of 0.39 found in commercial petrol indicating that the exhaust from vehicular traffic is the major source of Pb in atmospheric particulate matter in Jamaica.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018481901288
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Heavy metals in surface water and stream sediments in Jamaica (1997)
    Springer
    Environmental geochemistry and health 19 (1997), S. 63-66 
    Details
    ISSN: 1573-2983
    Keywords: Water ; stream sediments ; heavy metals ; cadmium ; chromium ; copper ; mercury ; nickel ; lead ; zinc
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Medicine
    Notes: Abstract The levels of heavy metals in water and stream sediments in Jamaica are presented and compared to levels in soils and environmental standards. Heavy metals (cadmium, chromium, copper, mercury, nickel, lead and zinc) appear to be less of a problem to Jamaica's freshwater environment than might be expected given the concentrations in soils. This can be explained by taking into account the dynamics of the Jamaican water environment and the relative absence of anthropogenic sources. The dynamics of the freshwater system on the other hand, could pass any environmental threat to the coastal environment. Because the stream sediments are relatively coarse and contain little organic material the bio-availability of micropollutants such as heavy metals from the sediments can be expected to be relatively high.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018442219943
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  • 5
    Electronic Resource
    Electronic Resource
    The identification of geophagia by neutron activation analysis (1994)
    Springer
    Journal of radioanalytical and nuclear chemistry 179 (1994), S. 341-347 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Chemical markers for use as indicators of geophagia in Jamaica is reported. Five volunteers each ingested 10 g of each of three common soils of Jamaica to which carmine (an inert gastrointestinal dye) had been added. A pre-ingestion faecal sample and all post-ingestion faecal samples were collected until no more carmine was seen. The faecal and soil samples were analysed by instrumental neutron activation analysis. Of the 14 elements quantified, Dy, Eu, Ce, Hf, and Th were consistently detected in the post-ingestion but not in the pre-ingestion faecals. These elements should therefore be excellent markers of geophagia as they are present in insignificant levels in food compared to soils. Because of high sensitivity and short throughput times, Dy and Eu appear to be the most promising elements for the detection of the occurrence of geophagia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02040169
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  • 6
    Electronic Resource
    Electronic Resource
    Trace elements in Jamaican soils (1987)
    Springer
    Journal of radioanalytical and nuclear chemistry 116 (1987), S. 27-34 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The results of the analysis of approximately 100 soil samples for Na, Mg, Al, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, As, Sb, Ba, La, Sm, Eu, Dy, Lu, Hf, Th, and U by neutron activation analysis, in three soil horizons from four of the main agricultural parishes of Jamaica are presented. While there is some regional variation in the abundances, there are no statistically significant distributions of abundances across the horizons. The results for a few selected elements are compared with abundances in other countries.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02037208
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  • 7
    Electronic Resource
    Electronic Resource
    Multi-disciplinary facilities at the Centre for Nuclear Sciences, U.W.I. (1994)
    Springer
    Journal of radioanalytical and nuclear chemistry 180 (1994), S. 319-323 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The Centre for Nuclear Sciences was established in 1984 with the mandate to introduce Caribbean scientists to the application of nuclear technology in multi-disciplinary studies, and to carry out research in areas of national and regional importance. This paper describes the pesent facilities and the major programmes being carried out at the Centre.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02035922
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  • 8
    Electronic Resource
    Electronic Resource
    Analysis of Jamaican soils and sediments by energy-dispersive X-ray fluorescence spectrometry (1996)
    Springer
    Journal of radioanalytical and nuclear chemistry 209 (1996), S. 101-111 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The calibration of a tube excited Energy-Dispersive X-Ray Fluorescence spectrometer for routine geochemical analyses of Ca, Ti, V, Cr, Mn, Fe, Cu, Zn, Rb, Sr and Pb in Jamaican soils and sediments is described. Simple linear and parabolic regression models using scattered radiation and an element as internal standards were applied. The analysis of over 200 samples from a regional soil survey has been used to contribute to a database on the geochemistry of Jamaican soils and sediments. An application example of the Zn distribution map in Jamaican soils is presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02063535
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