3.11. Interference studies
The potential interference from other species on the determination
of carbendazim was investigated. The effect of different
cations and anions possibly existing in natural samples was
studied. In this experiment, solutions containing 200 ng mL1 of
carbendazim and various amounts of interfering ions were treated
according to the recommended procedure. An error of75% in the
absorbance reading was considered tolerable. The results summarized
in Table 1, show good selectivity of the procedure toward
these ions.