Multiwall Carbon Nanotubes/Spherical Glassy Carbon as Environmentally Friendly Adsorption Materials Utilized in Adsorptive Stripping Voltammetry for the Determination of Trace Amounts of Ga(III)
Malgorzata Grabarczyk,
Marzena Fialek,
Edyta Wlazlowska
Abstract:This work presents a proposal for an adsorptive stripping voltammetric (AdSV) method for gallium(III) determination at an eco-friendly multiwall carbon nanotube/spherical glassy carbon (MWCNT/SGC) electrode modified with a lead film. The operational factors influencing the sensitivity of the AdSV procedure were thoroughly investigated, and their most favorable values were chosen (0.1 mol L−1 acetate buffer solution pH = 5.6; 7 × 10−5 mol L−1 Pb(II); 2 × 10−4 mol L−1 cupferron; potential/time of lead film forma… Show more
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