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Volume 46 Number 6 Volume 47 Number 1

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Research articles

ScienceAsia 46 (2020): 706-712 |doi: 10.2306/scienceasia1513-1874.2020.094


Electroreduction of lead(II) ions on lead electrode in the presence of surfactants and different electrolytes


Aizhan Mamyrbekovaa, Makhabat Kassymovab, Aigul Mamyrbekovaa,*, Aigul Mamitovac, Rabiga Pralievad, Gauhar Mutashevae

 
ABSTRACT:     The influence of high molecular weight water-soluble surfactants with different functional groups on the electroreduction of lead(II) ions on a lead electrode in various electrolytes was studied. A copolymer of methacryloylaminophenol with acrylic acid, a leather waste hydrolyzate, and a copolymer of monoethanolamine with vinyl ether acetate were used as surfactants. The electrolytes used were 1 M KCl, KBr, KNO3, HCOONa, NH2SO3H, 0.5 M Na 2SO4, and 0.35 M Na3C6H5O7 ? 2 H2O. It was demonstrated that in 1.0 M KCl or KBr solutions, there was no inhibition of the electroreduction of lead (II Nike shoes on sale) ions by the adsorption layers of surfactants. It was found that the inhibitory effect of polymers on the electroreduction of lead(II) ions in different background electrolytes increases in the order KCl < KBr < Na 3C6H5O7 ? 2 H2O < Na2SO4 < KNO3 < HCOONa < NH2SO3H.

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a Department of Laboratory Disciplines, Faculty of Dentistry, Khoja Akhmet Yassawi International Kazakh-Turkish University, Turkestan 161200 Kazakhstan
b Department of Chemistry, Higher School of Natural Science and Pedagogy, Auezov South-Kazakhstan State University, Shymkent 160012 Kazakhstan
c Department of Life Safety and Environmental Protection, Faculty of Construction and Transport, Auezov South-Kazakhstan State University, Shymkent 160012 Kazakhstan
d Department of General Disciplines, Prefaculty, Khoja Akhmet Yassawi International Kazakh-Turkish University, Turkestan 161200 Kazakhstan
e Department of Ecology and Life Safety, Faculty of Transport Engineering and Construction, Kazakh Transport and Communications Academy, Almaty 050000 Kazakhstan

* Corresponding author, E-mail: aigul.mamyrbekova@ayu.edu.kz

Received 16 Jan 2020, Accepted 3 Nov 2020