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. 1984 Nov;11(5):311-4.
doi: 10.1111/j.1600-0536.1984.tb01016.x.

Chelating effect of EDTA on nickel

W G van Ketel, D P Bruynzeel

Chelating effect of EDTA on nickel

W G van Ketel et al. Contact Dermatitis. 1984 Nov.

Abstract

The chelating effect of disodium ethylenediamine tetra-acetate (EDTA) in nickel-allergic patients was investigated. After pretreatment of the right half of the patient's back with 10% EDTA in a cream, and the left half of the back with the cream base only, various concentrations of nickel sulphate were patch tested on these areas. The blocking effect of the 10% EDTA cream appeared to be significant in comparison with that of the cream base only (p less than 0.01). A barrier cream with 10% EDTA might be of help in nickel-allergic patients with eczema of the hands.

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