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Accumulation of heavy metals in different body tissues of Atlantic salmon, Salmo salar L., exposed to a model mixture (Cu, Zn, Ni, Cr, Pb, Cd) and singly to nickel, chromium, and lead.

Bulletin of environmental contamination and toxicology (2014-03-04)
Gintaras Svecevičius, Gintarė Sauliutė, Raimondas Leopoldas Idzelis, Joana Grigelevičiūtė
ABSTRACT

One-year-old Atlantic salmon smolts were exposed for 2 weeks either to six priority heavy metal mixture or to Ni, Pb, and Cr singly at a concentration corresponding to Lithuanian inland water standards: Cu - 0.01, Zn - 0.1, Ni - 0.01, Cr - 0.01, Cd - 0.005 and Pb - 0.005 mg/L, respectively under semi-static conditions. The presence of metal mixture in the water only partly (by 50 %) affected the accumulation of single metals in body tissues (muscle, gills, liver and kidneys) probably due to the synergistic interactions among metals. Although metal concentrations increased in most cases, only Pb exceeded recommended level for human consumption (0.2 Pb mg/L) by 1.1-fold to 2.1-fold.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Raney®-Nickel, W.R. Grace and Co. Raney® 2800, slurry, in H2O, active catalyst
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Chromium, chips, 99.995% trace metals basis
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Nickel, nanopowder, <100 nm avg. part. size, ≥99% trace metals basis
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Chromium, powder, ≥99% trace metals basis, <45 μm
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Nickel, foil, thickness 0.125 mm, ≥99.9%
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Nickel, powder, <150 μm, 99.99% trace metals basis
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Raney®-Nickel, W.R. Grace and Co. Raney® 2400, slurry, in H2O, active catalyst
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Lead, powder, −100 mesh, 99.95% trace metals basis
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Nickel, foil, thickness 0.5 mm, 99.98% trace metals basis
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Chromium, powder, 99.5%, −100 mesh
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Nickel, wire, diam. 0.25 mm, ≥99.9%
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Nickel, foil, thickness 0.1 mm, 99.98% trace metals basis
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Lead, shot, <2 mm, 99.9% trace metals basis
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Lead, powder, −325 mesh, ≥99% trace metals basis
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Nickel, wire, diam. 0.5 mm, ≥99.9% trace metals basis
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Nickel, wire, diam. 0.5 mm, ≥99.99% trace metals basis
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Lead, shot, 1-3 mm, 99.995% trace metals basis
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Chromium, chips, thickness ~2 mm, 99.5%
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Nickel, rod, diam. 6.35 mm, ≥99.99% trace metals basis
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Nickel, foil, thickness 0.25 mm, 99.995% trace metals basis
Nickel, mesh, 100x250mm, nominal aperture 0.73mm, wire diameter 0.25mm, 26x26 wires/inch, open area 55%, plain weave mesh, 99%
Lead, foil, 25x25mm, thickness 1.0mm, as rolled, 99.95%
Nickel, wire reel, 20m, diameter 0.025mm, as drawn, 99.98%
Lead, rod, 200mm, diameter 6.35mm, 99.95%
Nickel, wire reel, 10m, diameter 0.01mm, as drawn, 99.98%
Nickel, rod, 100mm, diameter 16mm, 99.99+%
Lead, foil, 150x150mm, thickness 0.1mm, as rolled, 99.95%
Nickel, foil, not light tested, 100x100mm, thickness 0.01mm, 99.95%
Nickel, wire reel, 20m, diameter 0.125mm, hard, 99.98%
Nickel, rod, 100mm, diameter 3.0mm, 99%