Simple Colorimetric Determination of Phthalates in Polymers by Dye Formation

Yanagisawa, Hiroki; Fujimaki, Shigehiko

doi:10.2116/analsci.19p165

Cited by 8 publications

(3 citation statements)

References 17 publications

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“…Hiroyuki YANAGISAWA et al [31] based on the colorimetric screening of phthalates aggregated by nanoparticles, proposed a method of converting phthalates into dyes with concentrated sulfuric acid as a catalyst, and then performed colorimetric method, which solved the problem that the original colorimetric method needs to the special treatment of gold nanoparticles. In this experiment, the detection results of various phthalates were almost the same, confirming the applicability of the colorimetric method.…”

Section: Dye Formation Simple Colorimetrymentioning

confidence: 99%

Extraction and determination methods of phthalates

Jiang

2023

J. Phys.: Conf. Ser.

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Phthalic acid esters (PAEs) are environmental hormone compounds, commonly known as plasticizers. After long-term accumulation, it will lead to deformities, cancer, mutations and other diseases in the human body, which will seriously endanger human health. Due to the increasing attention paid to phthalate pollutants in society, high efficiency, accuracy and no secondary pollution are difficult points in extraction and determination methods. This paper summarizes the research progress of extraction and determination methods of phthalates at home and abroad from 2010 to 2022, mainly summarizes the extraction methods of phthalates in various environments and the methods of chromatography, Measurement methods such as mass spectrometry and spectroscopy. Compared the advantages and disadvantages of several extraction and determination methods, and proposed the prospect of improving extraction and detection methods.

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Section: Dye Formation Simple Colorimetrymentioning

confidence: 99%

Extraction and determination methods of phthalates

Jiang

2023

J. Phys.: Conf. Ser.

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“…Subsequent reaction with resorcinol in concentrated sulfuric acid results in the conversion to fluorescein, forming a color. This color change can be detected using absorbance spectroscopy with LODs of less than a μmol, depending on the phthalate type [ 88 ].…”

Section: Contemporary Analytical Proceduresmentioning

confidence: 99%

Unpacking Phthalates from Obscurity in the Environment

Baneshi,

Tonney-Gagne,

Halilu

et al. 2023

Molecules

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Phthalates (PAEs) are a group of synthetic esters of phthalic acid compounds mostly used as plasticizers in plastic materials but are widely applied in most industries and products. As plasticizers in plastic materials, they are not chemically bound to the polymeric matrix and easily leach out. Logically, PAEs should be prevalent in the environment, but their prevalence, transport, fate, and effects have been largely unknown until recently. This has been attributed, inter alia, to a lack of standardized analytical procedures for identifying them in complex matrices. Nevertheless, current advancements in analytical techniques facilitate the understanding of PAEs in the environment. It is now known that they can potentially impact ecological and human health adversely, leading to their categorization as endocrine-disrupting chemicals, carcinogenic, and liver- and kidney-failure-causing agents, which has landed them among contaminants of emerging concern (CECs). Thus, this review article reports and discusses the developments and advancements in PAEs’ standard analytical methods, facilitating their emergence from obscurity. It further explores the opportunities, challenges, and limits of their advancements.

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“…Yanagisawa et al reported a colorimetric detection of phthalate esters in polymers based on a formation of dye. 3 Phthalate esters used as plasticizers for plastics are recognized as restricted chemical agents owing to the reproductive toxicity and carcinogenicity. Phthalate was hydrolyzed with sodium hydroxide and dehydrated to obtain phthalic anhydride.…”

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confidence: 99%