Utilizing NiO Nanoflowers for Lead Measurement in Real Samples

Abstract

In this study, lead (Pb²⁺) ions were determined by flame atomic absorption spectrophotometry (FAAS) using solid phase extraction (SPE) method by NiO nanoflowers and their absorption amounts were determined. Nickel oxide (NiO) nanoflowers were prepared by hydrothermal method and characterized using spectroscopic and microscopic methods. Analytical recovery efficiencies for Pb²⁺ were investigated by optimizing parameters such as eluent type, pH, sample volume and time from adsorption conditions for nanoflowers. Reproducibility results showed that elemental recovery was higher than 99%. Standard reference material analysis was performed to prove the accuracy of the solid phase extraction method with nanoflower for trace level Pb²⁺ metal analysis. Relative standard deviation values were found to be less than 10%.