Vortex-Assisted and Cloud Point Extraction of Cadmium, Lead, Copper and Zinc in Different Personal Care Product Samples

Pakistan Journal of Scientific & Industrial Research Series A: Physical Sciences Pub Date : 2022-02-22 DOI:10.52763/pjsir.phys.sci.65.1.2022.33.40

K. M. Malik, Mahboob Ali Rind, N. Jalbani, A. Panhwar, Shahid Bhutto, Iftikhar Ahmed, Amber . Rasheed, D. R. Hashmi, Humaira Khan

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引用次数: 2

Abstract

A rapid vortex assisted-cloud point extraction (VA-CPE) method was developed to separate cadmium (Cd), copper (Cu), zinc (Zn) and lead (Pb) in accordance with important parameters. Cd and Pb was determined in personnel care products (PCPs) by Electrothermal Atomic Absorption Spectrometry (ETAAS), however Cu and Zn was determined by Flame Atomic Absorption Spectrometry (FAAS). Triton X-100 and xylenol orange were used as a chelating agent. The important factors including pH, Ligand Volume (LV), Vortex Time (Vt), Centrifuge Time (Ct), Centrifuge (rpm) and volume of Triton X-100 as well as volume of chloroform and concentration of surfactant were optimized. The Certified Reference Material (CRM) (wheat flour-1567 a) and standard addition recovery test was used to analyze the accuracy of proposed method. Detection limits (LODs) of metals like, Cd, Pb, Cu and Zn were 0.001 mg/L, 0.01 mg/L, 0.05 mg/L and 0.1 mg/L respectively. The method has been successfully applied to real samples.

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漩涡辅助和云点萃取不同个人护理产品样品中的镉、铅、铜和锌

建立了一种快速涡辅助云点萃取(VA-CPE)方法，根据重要参数分离镉(Cd)、铜(Cu)、锌(Zn)和铅(Pb)。采用电热原子吸收光谱法(ETAAS)测定个人护理用品(pps)中的Cd和Pb，采用火焰原子吸收光谱法(FAAS)测定Cu和Zn。采用Triton X-100和二甲酚橙作为螯合剂。对pH、配体体积(LV)、涡流时间(Vt)、离心时间(Ct)、离心机转速(rpm)、Triton X-100体积以及氯仿体积和表面活性剂浓度等重要因素进行了优化。采用标准物质(CRM)(小麦粉- 1567a)和标准添加回收率试验对该方法的准确度进行了分析。镉、铅、铜、锌的检出限分别为0.001 mg/L、0.01 mg/L、0.05 mg/L和0.1 mg/L。该方法已成功地应用于实际样品。

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Pakistan Journal of Scientific & Industrial Research Series A: Physical Sciences

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