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  • A flow injection procedure using Layered Double Hydroxide for on line pre-concentration of fluoride.

A flow injection procedure using Layered Double Hydroxide for on line pre-concentration of fluoride.

Talanta (2017-11-16)
Diego P Rocha, Gabriel T C Anjos, Thais S Neri, Jairo Tronto, Frederico G Pinto, Sidnei G Silva, Nívia M M Coelho
ABSTRACT

This work showed a flow system designed with solenoid valves for preconcentration of fluoride using SPADNS method in water samples. The analyte was preconcentrated in a mini-column coated with Layered Double Hydroxides (LDH) used as adsorbent. Then, the fluoride ions were eluted with 0.5molL