Potcntiometric Determination of Copper (II) and Nickel (II) Ions Using Barium Sulphate as an Electro Active Material
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Date
2010
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Abstract
A lieu Araldite matrix membrane electrode for Cii’ ’ and Ni" ' ion
based on their liarium diehromaie ;is membrane carrier as prepared. I he
Nernsiian lespon-ic lor ('u and Ni ion o\er a u ule eoneentraiion
ranee ot ( 1 M - 1 \ It)' .M) u nh tleleetion limits of the order o f 1 n ' \ l | he
response time ot the sens;ir is -to seconds for Cir Ions and .‘'2 seconds
for NI ions and membrane c>in be used for more than six month itlu'ut
obsersiim .nu desiation the [sroposed membrane sensor sluuvs
excellent discriminaiine abiht} touards Cir and Ni" ions in comparison to severtil alkali, alkaline earth, transition and hea\> metal ions, i'he
effect of pH aiul effect of medium, seleetisits co-efficient calues ha\e
been found to eise better res|ionses.