Abstract
A simple and rapid preconcentration technique is proposed for the ETA-AAS determination of traces of aluminum in water. Aluminum at μg/l levels in 100 ml of water sample is converted into an anionic complex with Chromazurol B. The anion is collected on a polytetrafluoroethylene (PTFE) membrane filter as an ion-associate with benzyldimethyltetradecylammonium ion (Zeph + ) by filtration under suction
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