Abstract
The efficiency of lead recovery by two chelating resins from unmodified tap-water samples is described. Chelex-100 in the calcium form proved unsuitable for total lead determinations but polystyrene-supported poly(maleic anhydride) resin completely removed lead when used in a batch mode but not in a column mode. The eluate from this resin contained a significant proportion of lead inactive to anodic stripping voltammetry. The batch mode provides suitable pre-concentration for determination of lead in tap water by flame atomic absorption spectrometry.