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Anodic Stripping Voltammetric Determination of titanium(IV) Using a Carbon Paste Electrode Modified With Cetyltrimethylammonium Bromide

Anodic Stripping Voltammetric Determination of titanium(IV) Using a Carbon Paste Electrode Modified With Cetyltrimethylammonium Bromide

M Stadiober, K Kalcher, G Raber, C Neuhold

Talanta. 1996 Nov;43(11):1915-24.

PMID: 18966681

Abstract:

A method is described for the voltammetric determination of titanium(IV) using a carbon paste electrode modified in situ with cetyltrimethylammonium bromide. The cationic micellar surfactant adsorbs onto the electrode particularly at negative potentials, simultaneously preconcentrating titanium(IV) as the oxalate complex with reduction to titanium(III). Anodic stripping voltammetry exploiting reoxidation can be used for the determination of trace levels of titanium(IV). Linearity between current and concentration exists between 5 and 160 mug l(-1) Ti(IV) (preconcentration time 2 min). The limit of detection (calculated as 3sigma) is 0.1 mug l(-1), with a preconcentration time of 10 min.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP7789686	Titanium(IV) bromide		7789-68-6	Price

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