Author:
Wang G L,Zhou Y G,Bian J,Huang J J,Du G Y,Zhang S J
Abstract
Abstract
The determination of trace heavy metals in seawater with 8-hydroxyquinoline solid phase extraction by ICP-OES was studied. In ammonium acetate buffer with pH 5.0, 8-hydroxyquinoline chelated with trace heavy metal ions 15 min. The chelate compound can be enriched by C18 solid phase extraction column. The chelate can be eluted quantitatively by methanol, and then determined by ICP-OES method after digestion. The method can be used for quantitative analysis of trace heavy metal ions in high salinity. The data are reliable, which meets the marine monitoring standards.
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