The permissible limit for this element in drinking waters prescribed
by the USEPA is 6 μg L−1 [3]. In surface unpolluted waters, dissolved Sb
is found at concentrations b1 μg L−1 [4]. To meet the need for reliable
determination of Sb at such low levels, different substrates in conjunction
with a variety of preconcentration systems coupled to atomic
and/or plasma-based techniques were developed for its determination
in natural matrices.