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  • 1
    Electronic Resource
    Electronic Resource
    Cadmium in finnish breast milk, a longitudinal study (1983)
    Springer
    Archives of toxicology 53 (1983), S. 207-211 
    Details
    ISSN: 1432-0738
    Keywords: Milk ; Human ; Cadmium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Electrothermal atomic absorption spectrophotometry was employed to analyse cadmium in breast milk. Twenty breast milk samples were donated by seven mothers during 6 months of lactation. All milk samples represented every feeding during a period of 24 h, having foremilk an hindmilk in equal proportions. The median cadmium concentration in the 1st month was 2.0 μg/l (range 1.7–3.1 μg/l, 7 samples) and then declined to 1.5 μg/l (range 1.3–2.5 μg/l, 7 samples) and 1.6 μg/l (range 1.2–2.0 μg/l, 6 samples) in the 3rd and 6th months, respectively. At the age of 1 and 3 months when the infants were totally breast fed the average weekly intake of cadmium was 2.7 and 1.5 μg/kg. This is below the provisional tolerable weekly intake of man, from 6.7 to 8.3 μg/kg, proposed by WHO.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00316504
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The impact of an industrially contaminated lake on heavy metal levels in its effluent stream (1980)
    Springer
    Hydrobiologia 69 (1980), S. 187-193 
    Details
    ISSN: 1573-5117
    Keywords: Cadmium ; zinc ; pollution ; sediment ; water ; fish ; clams ; macrophytes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Levels of cadmium and zinc in various components of Williamson Ditch (an industrially contaminated stream flowing into Palestine Lake), Trimble Creek (a stream draining Palestine Lake) and the Tippecance River (a river receiving Trimble Creek) were determined. Water, sediment, plant, fish and clam samples were analyzed for cadmium and zinc content by atomic absorption spectrophotometry. Unweighted mean metal concentrations in Trimble Creek were the following: water, 51 µg Zn/1 and 4.2 µg Cd/1; sediment, 592 µg Zn/g and 48.8,µg Cd/g; plants, 375 µm Zn/g and 7.91 µg Cd/g; fish, 145 µg Zn/g and 6.02 µg Cd/g. These concentrations were generally lower than those found in Williamson Ditch and higher than those found in the Tippecanoe River or background levels previously reported for other aquatic ecosystems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00016549
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The use of the three-ridge clam (Amblema perplicata) to monitor trace metal contamination (1981)
    Springer
    Hydrobiologia 83 (1981), S. 67-72 
    Details
    ISSN: 1573-5117
    Keywords: Cadmium ; zinc ; pollution ; molluscs ; monitoring
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The three-ridge clamAmblema perplicata was used to monitor two streams for the presence of zinc (Zn) and cadmium (Cd) derived from an industrial source. Clams were collected from a relatively uncontaminated area in one river and transported to four study sites in the two contaminated streams. The clams were placed into polyethylene cages and left in these streams for one week. Control clams were treated in a similar manner and left in the uncontaminated river. The highest mean concentration of Zn (956 µg/g dry wt) was found in the gill tissue of clams from the most contaminated site. The highest mean Cd concentration (18.6 µg/ g dry wt) was found in digestive glands of clams, also from the most contaminated site. Mean concentrations at contaminated sites were significantly higher than background and control levels; the findings suggest that these particular organs of clams may be useful in monitoring levels of Zn and Cd in other freshwater systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02187151
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    Paper (German National Licenses)
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