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Electrothermal atomic absorption spectrometry was applied to the determination of copper, manganese and cobalt in biological tissues of which small amounts are available only. The samples (10 mg of mice tissue) were suspended in 1 mL of water containing tetramethylammonium hydroxide, Triton X-100 and silicone antifoam. The sample was homogenized by heating to 60 °C for 5 min, submitted to dilution...
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