Optical sensing membrane for determination of trace cadmium(II), zinc(II) and copper(II) based on immobilization of 1-(2-pyridylazo)-2-naphthol on polymer inclusion membrane
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DOI: 10.1016/j.microc.2020.105767
Abstract: Abstract A colour changeable optical sensing membrane was prepared for quantitative detection of Cd(II), Zn(II) and Cu(II) by using polyvinyl chloride membrane containing bis(2-ethylhexyl) phosphate for chemical absorption of chromogenic reagent 1-(2-pyridylazo)-2-naphthol. Under the optimum… read more here.
Keywords: optical sensing; pyridylazo naphthol; determination; sensing membrane ... See more keywords