Moreover, the pond water sample was divided into 30 samples
containing different concentrations of 4 metal ions, in the case of
both single and mixed metal ions. The metal ion concentrations
in each water sample were then determined by naked-eye andcompared the obtained results with ICP determination. The qualitative
percentage errors between both methods were found to be
30%, 21% and 3% for Pb(II), Al(III) and Fe(III), respectively. In addition,
the quantitative errors were found to be 30%, 23% and 7% for
Pb(II), Al(III) and Fe(III), respectively. However, the percentage error
for Cu(II) detection was not found in terms of qualitative and
quantitative determinations.
Moreover, the pond water sample was divided into 30 samplescontaining different concentrations of 4 metal ions, in the case ofboth single and mixed metal ions. The metal ion concentrationsin each water sample were then determined by naked-eye andcompared the obtained results with ICP determination. The qualitativepercentage errors between both methods were found to be30%, 21% and 3% for Pb(II), Al(III) and Fe(III), respectively. In addition,the quantitative errors were found to be 30%, 23% and 7% forPb(II), Al(III) and Fe(III), respectively. However, the percentage errorfor Cu(II) detection was not found in terms of qualitative andquantitative determinations.
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