Precise measurement of target analytes using proposed interface in
presence of various interfering ions plays a very important role. Hence
the experiment was carried out in presence of 60 nM mercury ions
along with different cations or anions in the electrolytic solution.
Table 1 illustrates the tolerance limits for different ions. Above the
tolerance limits the interfering ions will interfere and affects the anodic
stripping peak currents by competing with the indicator molecules and
alters the peak currents. Hence developed sensor showed least interference
from most of the common ions that have been studied. It
implies that proposed graphitic composite material exhibits more
selectivity towards mercury(II) ions in aqueous medium (ESM
Table 1).