Microplastics detection in some cosmetic samples by accelerated solvent extraction and Micro-FTIR.

IF 5.6 1区化学 Q1 CHEMISTRY, ANALYTICAL Talanta Pub Date : 2025-02-01 Epub Date: 2024-11-08 DOI:10.1016/j.talanta.2024.127190

Alessia Aprea, Davide Mariani, Ester Trimigno, Camilla Marcucci, Romina Cortella

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Abstract

Worldwide attention is focused on microplastics environmental pollution, primarily for its potential negative effects on biota and human health. It is of great importance to identify standardized analytical methods to have an objective feedback about this concern. The recent regulation regarding the intentionally added microplastics content and the attention for the unintentional microplastics release are the basis of this work, whose topic is the development of an analytical method for microbeads (spheres) and microparticles (fragments) determination in certain cosmetic samples, in particular creamy samples. The method is based on Accelerated Solvent Extraction technique to remove all the sample matrix ingredients. The final suspension was then filtered on silicon membrane, for the following quali-quantitative micro-FTIR analysis, and on glass fibre membranes, for the gravimetric analysis. The method was developed for a theoretical microplastics concentration of 0.025 % (w/w) and allows a good recovery percentage. Working both by gravimetric evaluation and by micro-FTIR analysis gives more confident results and guaranties a proper identification and characterization of the filtered materials.

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通过加速溶剂萃取和显微傅立叶变换红外光谱检测一些化妆品样品中的微塑料。

全世界都在关注微塑料环境污染问题，主要是因为它可能对生物群和人类健康造成负面影响。因此，确定标准化的分析方法以获得对这一问题的客观反馈就显得尤为重要。最近有关有意添加的微塑料含量的规定和对无意释放的微塑料的关注是这项工作的基础，其主题是开发一种分析方法，用于测定某些化妆品样品，特别是乳霜样品中的微珠（球体）和微颗粒（碎片）。该方法采用加速溶剂萃取技术去除所有样品基质成分。然后将最终悬浮液过滤在硅膜上，用于接下来的微傅立叶变换红外定性定量分析，并过滤在玻璃纤维膜上，用于重量分析。该方法的理论微塑料浓度为 0.025%（w/w），回收率较高。通过重量评估和微傅立叶变换红外分析，可以获得更可靠的结果，并保证对过滤材料进行正确的识别和表征。

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来源期刊

Talanta 化学-分析化学

CiteScore

12.30

自引率

4.90%

发文量

861

审稿时长

29 days

期刊介绍： Talanta provides a forum for the publication of original research papers, short communications, and critical reviews in all branches of pure and applied analytical chemistry. Papers are evaluated based on established guidelines, including the fundamental nature of the study, scientific novelty, substantial improvement or advantage over existing technology or methods, and demonstrated analytical applicability. Original research papers on fundamental studies, and on novel sensor and instrumentation developments, are encouraged. Novel or improved applications in areas such as clinical and biological chemistry, environmental analysis, geochemistry, materials science and engineering, and analytical platforms for omics development are welcome. Analytical performance of methods should be determined, including interference and matrix effects, and methods should be validated by comparison with a standard method, or analysis of a certified reference material. Simple spiking recoveries may not be sufficient. The developed method should especially comprise information on selectivity, sensitivity, detection limits, accuracy, and reliability. However, applying official validation or robustness studies to a routine method or technique does not necessarily constitute novelty. Proper statistical treatment of the data should be provided. Relevant literature should be cited, including related publications by the authors, and authors should discuss how their proposed methodology compares with previously reported methods.