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Application of a graphene oxide for determination of Cadmium, Lead, Copper and Zinc ions at trace level in personal Care Products using Solid Phase ExtractionBy Nusrat Jalbani, Khan Muhammad Malik, Mahboob Ali Rind, Amber . Rasheed, Shahid . Bhutto, Aijaz . Pahnwar, Razia . Begum, Iftikhar . Ahmed, Zulekhan Bibi Bhutto
Abstract: A novel and simple procedure Solid Phase µ-extraction was successfully used as a sample preparation method for the pre concentration and determination of Cd, Pb, Cu, and Zn in different personal care products samples. In the first screening, a five variables were selected with low (-) and high level (+) and were inspected by Plackett–Burman. In order to further optimization, a central 23 +star orthogonal composite design (CCD) was applied …
Published in International Journal of Analytical and Applied Chemistry · Vol. 6, Issue 1, 2020 · pp. 14–23 Read article →