Abstract
The effects of metal contamination on the liquid chromatographic (LC) determination of paralytic shellfish poisons have been investigated. There is an indication that the presence of ferric ions can cause conversion of at least one toxin to another. The mechanism of this reaction is at present unknown. In order to discover the effects of metal on the toxins, several approaches were adopted, including addition of metal ions or metal powders to paralytic shellfish poisons containing solutions. The authors show that the operation of a metal component LC system is generally vindicated.
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