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- W2386551059 abstract "The copper(Ⅱ) is accumulated on the surface of the pyrogallol red (PR) modified carbon paste electrode at 0 20V ( vs SCE) The Cu(Ⅱ) PR complex is formed in a phthalate buffer solution (pH 4 5), and the Cu(Ⅱ) is then determined by anodic stripping voltammetry after cathodic reduction at -0 30V( vs .SCE) in 0 050mol·L -1 H 3PO 4 The peak potential is at about 0 0V The concentrations of copper(Ⅱ) over the range from 1 6×10 -9 mol·L -1 to 2 8×10 -7 mol·L -1 is directly proportional to the (values of) second order derivative of the peak heights The detection limit for copper(Ⅱ) is found to be as low as 8×10 -10 mol·L -1 The mechanism of electrode reaction is also discussed The proposed method has been applied to the determination of copper in zinc alloys with satisfactory results" @default.
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- W2386551059 date "2001-01-01" @default.
- W2386551059 modified "2023-09-22" @default.
- W2386551059 title "DETERMINATION OF TRACES OF COPPER BY ADSORPTIVE STRIPPING VOLTAMMETRY WITH PYROGALLOL RED MODIFIED CARBON PASTE ELECTRODE" @default.
- W2386551059 hasPublicationYear "2001" @default.
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