Thank you very much about your help.
I will send to you an article`s name, and I hope you`ll find it to me
Thanks again.
Here`s my article`s name: " Determination of cadmium by differential pulse adsorptive stripping voltammetry
Authors: Suciu P.1; Vega M.; Roman L.
Source: Journal of Pharmaceutical and Biomedical Analysis, Volume 23, Number 1, 1 August 2000 , pp. 99-106(8)
Publisher: Elsevier ".