2017
DOI: 10.1016/j.talanta.2017.01.037
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Determination of N-nitrosodiethanolamine in cosmetic products by reversed-phase dispersive liquid-liquid microextraction followed by liquid chromatography

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Cited by 16 publications
(8 citation statements)
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“…One decade ago, Hashemi et al [ 141 ] proposed a modification of the original DLLME called reversed-phase DLLME (RP-DLLME), where a small volume of water, used as extraction solvent, is dispersed into a bulk organic solution containing the polar target analytes. RP-DLLME has recently been applied to extract n-nitrosamines [ 115 , 116 ] and free formaldehyde [ 117 ] from cosmetics and personal care products before LC-MS [ 115 ] or HPLC-UV analysis [ 116 , 117 ]. In all cases, the employed volume of water ranged between 50 and 125 µL, with recoveries and LODs similar to those obtained for the analysis of free formaldehyde by UAE-CPE-UV-Vis [ 40 ] or n-nitrosamines employing SPE-LC-MS/MS [ 44 ].…”
Section: Sample Preparation Strategies For Cosmetics Analysismentioning
confidence: 99%
“…One decade ago, Hashemi et al [ 141 ] proposed a modification of the original DLLME called reversed-phase DLLME (RP-DLLME), where a small volume of water, used as extraction solvent, is dispersed into a bulk organic solution containing the polar target analytes. RP-DLLME has recently been applied to extract n-nitrosamines [ 115 , 116 ] and free formaldehyde [ 117 ] from cosmetics and personal care products before LC-MS [ 115 ] or HPLC-UV analysis [ 116 , 117 ]. In all cases, the employed volume of water ranged between 50 and 125 µL, with recoveries and LODs similar to those obtained for the analysis of free formaldehyde by UAE-CPE-UV-Vis [ 40 ] or n-nitrosamines employing SPE-LC-MS/MS [ 44 ].…”
Section: Sample Preparation Strategies For Cosmetics Analysismentioning
confidence: 99%
“…Most of them are dedicated to the determination of N‐ nitrosodiethanolamine (NDELA), which is the most frequently detected . LC is the most chosen analytical technique, either coupled with thermal energy analyzer (TEA) , UV–Vis , MS/MS , or differential pulse polarography . Besides, GC either coupled with TEA , MS , electrolytic conductivity detector , or electron capture detector has also been employed for its determination.…”
Section: Introductionmentioning
confidence: 99%
“…Regarding the extraction techniques focused on the enrichment of N‐ nitrosamines, solid‐phase techniques are the most commonly used, such as SPE , dispersive solid‐phase extraction , and SPME , and only few published works make use of liquid‐based extraction techniques . Among them, dispersive liquid–liquid microextraction (DLLME) is a very popular liquid‐based microextraction technique for nonpolar compounds , but it is not useful for polar compounds.…”
Section: Introductionmentioning
confidence: 99%
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“…Originally, the DLLME was established for preparation from water samples. Subsequently, it was developed for other matrices including food [4], soil [5], cosmetic products [6] and biological samples [7]. In relation to the types of analytes, they are not only limited to numerous organic compounds, but inorganic analytes were also successfully extracted from the sample using DLLME [8].…”
Section: Introductionmentioning
confidence: 99%