Evaluation Of Fe3O4.SiO2.Al(OH)3 And Fe3O4.Al(OH)3 Nanostructures For Extraction And Pre-concentration Of 1,4-dioxane From Shampoo By Gas Chromatography | 53731
Journal of Chromatography & Separation Techniques
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1,4-Dioxane presents as a by-product in many consumer products such as cleaning products, cosmetics, shampoos, and
laundry detergents. Polyethoxylated raw materials are the most important ingredients of cosmetic and personal care
products used as emulsifiers, foaming agents and dispersants. During the polymerizing of ethylene oxide undesirable byproduct,
1,4-dioxane may be formed in range of trace to 100 and even 1000 of μg g-1. The obtained results demonstrate that
1,4-dioxane can be absorbed through skin of animals and human. It is shown carcinogenic potential for human as reported by
the US Department of Health and Human Services and International Agency for Research on Cancer (IARC). Consequently,
the monitoring of 1,4-dioxane in foods, drugs, cosmetic products and also in the environment is very important. Various
techniques have been employed for this purpose, such as HPLC, GC, GC-MS and etc. Due to trace amount of 1,4-dioxane
in complex matrices like shampoo, extraction of it is often accompanied by some problems. In this study, with regard to the
nano magnetic particles (NPs) advantages, we utilized Fe3O4.SiO2.Al(OH)3 and Fe3O4.Al(OH)3 in order to extract 1,4-dioxane
from shampoo and minimization of matrix effect. Also, X-ray diffraction (XRD), transmission electron microscopy (TEM),
Fourier transform infra-red (FT-IR) and thermal gravimetric analysis (TGA) are used for characterization of synthesized NPs.
Then optimum conditions to adsorption and desorption of 1,4-dioxane are investigated. GC method has been developed for
determination of 1,4-dioxane.
Mina Ranjbar Zandaragh is pursuing her MS in Analytical Chemistry at Imam Khomeini International University, Qazvin, Iran. She is an R&D expert in Paxan Co., a leading manufacturer of detergent and hygienic products in the Middle East. Her current research interest includes “Chromatographic methods, mass spectrometry, cosmetics and detergent industry”.