Preparation of magnetic iron oxide nanoparticles modified with imidazolium-based ionic liquids as a sorbent for the extraction of eight phthalate acid esters in water samples followed by UPLC-MS/MS analysis: an experimental design methodology

2020 ◽  
Vol 12 (1) ◽  
pp. 73-84 ◽  
Author(s):  
Sayyed Massoud Bahrololoomi Fard ◽  
Seyyed Hamid Ahmadi ◽  
Mannan Hajimahmodi ◽  
Reza Fazaeli ◽  
Mohsen Amini
Keyword(s):  
Water Samples ◽  
Phthalic Acid ◽  
Design Methodology ◽  
Solid Phase ◽  
Phthalic Acid Esters ◽  
Magnetic Iron Oxide Nanoparticles ◽  
Modified Magnetic Nanoparticles ◽  
Experimental Design Methodology ◽  
Acid Esters ◽  
Phthalate Acid Esters

In the present study, different ionic liquid modified magnetic nanoparticles have been prepared and tested as nano-metric adsorbents for the analysis of eight phthalic acid esters (PAEs) from water samples using dispersive micro solid-phase extraction (D-micro-SPE).

Facile preparation of a hydrophilic magnetic hybrid nanomaterial with solid-phase extraction capability for highly efficient enrichment of phthalates in environmental water

2018 ◽  
Vol 10 (24) ◽  
pp. 2924-2930 ◽  
Author(s):  
Yinghua Yan ◽  
Yujie Lu ◽  
Baichun Wang ◽  
Yiqian Gao ◽  
Jiawen Ge ◽  
...  
Keyword(s):  
Phthalic Acid ◽  
Solid Phase ◽  
Environmental Water ◽  
Phase Extraction ◽  
Phthalic Acid Esters ◽  
Potential Threat ◽  
Hybrid Nanomaterial ◽  
Endocrine Disrupting ◽  
Facile Preparation ◽  
Acid Esters

Phthalic acid esters (PAEs) are involved in endocrine disrupting effects and have become a potential threat to human health.

Determination of Phthalate Acid Esters in Water and Sediment Samples by GC–MS

2012 ◽  
Vol 610-613 ◽  
pp. 157-162 ◽  
Author(s):  
Xiao Ling Shao ◽  
Yan Min Zou ◽  
Fu Xing Wang ◽  
Zhen Zhang ◽  
Song Mei Wang ◽  
...  
Keyword(s):  
Water Samples ◽  
Yangtze River ◽  
Limit Of Detection ◽  
Solid Phase ◽  
Tap Water ◽  
Gas Chromatography Mass Spectrometry ◽  
Sediment Samples ◽  
Pollution Levels ◽  
Acid Esters ◽  
Phthalate Acid Esters

Water and bottom sediment samples were taken from the Zhenjiang section of the lower reach of Yangtze River, China during the autumn of 2011, aimed to study the pollution levels of six kinds of phthalate acid esters (PAEs). Water samples were prepared by solid-phase extraction (SPE) and analyzed by gas chromatography-mass spectrometry (GC–MS), with spiked recoveries ranging from 33.5% to 121.0%. Sediment samples were pretreated using ultrasonic-assisted organic solvent extraction, with recoveries varying from 43.7% to 107.6%. Results showed that the concentration levels of PAEs are below the limit of detection (LOD) –63.3μg/L in the water samples of Yangtze River. Tongji River water are severely contaminated by PAEs, with the concentrations of di-n-butyl phthalate (DnBP) up to 613ug/L. Four of PAEs were detected in the tap water of Zhenjiang. It was also found that all of detected PAEs are dominantly partitioned on suspended solids in water samples. The concentrations of PAEs in sediment samples are ranged from <LOD to 7.5mg/kg.

scholarly journals Measurement of Phthalate Acid Esters in Non-alcoholic Malt Beverages by MSPE-GC/MS Method in Tehran City: Chemometrics

2021 ◽  
Author(s):  
Hana Rezaei ◽  
Mojtaba Moazzen ◽  
Nabi Shariatifar ◽  
Gholamreza Jahed Khaniki ◽  
Mohammad Hadi Dehghani ◽  
...  
Keyword(s):  
Phthalic Acid ◽  
Health Hazard ◽  
Phthalate Esters ◽  
Principal Component ◽  
Multivariate Techniques ◽  
Phthalic Acid Esters ◽  
Heat Map ◽  
The Mean ◽  
Acid Esters ◽  
Phthalate Acid Esters

Abstract The goal of this research was to assess the phthalic acid esters (DEP, DMP, BBP, DBP, DEHP, DnOP and total PAE) in non-alcoholic malt beverages bottled were magnetized with iron (MWCNT-Fe3O4) using Mass spectrometry is gas chromatography (GC-MS) in Tehran. The results showed that maximum and minimum of total phthalate esters in samples were 9483.93 and 2412.50 ng/l, respectively. The mean of DEHP (which has also been found to be carcinogenic) in all samples was lower than 5944.73 ng/l. The maximum concentration of DEHP in four samples was upper than 8957.87 ng/l. Multivariate techniques and heat-map visualization were used to assess the correlation among the type and levels of PAEs with brand, color, product date, pH, sugar, volume and gas pressure. Therefore, based on heat-map and principal component analysis (PCA) results, the Bis (2- ethyl hexyl) phthalate (DEHP) and total PAEs were the closest accessions, indicating that these variables had similar trends. Based on the results, it can be stated that due to the low average of total phthalate esters in non-alcoholic malt beverages, there is no serious health hazard of these compounds for humans.

Experimental Design Methodology Applied to Mercury Determination: Hair Samples as a Mercury Bioindicator

2015 ◽  
Vol 98 (1) ◽  
pp. 176-182
Author(s):  
Mohammad Karimi ◽  
Forouzan Aboufazeli ◽  
Hamid Reza Lotfi Zadeh Zhad ◽  
Omid Sadeghi ◽  
Ezzatollah Najafi
Keyword(s):  
Magnetic Nanoparticles ◽  
Design Methodology ◽  
Solid Phase ◽  
Mercury Determination ◽  
Hair Samples ◽  
Preconcentration Factor ◽  
Modified Magnetic Nanoparticles ◽  
Surface Response Design ◽  
Experimental Design Methodology

Abstract The application of modified magnetic nanoparticles in extraction of trace Hg was investigated. For this purpose, surfaces of magnetic nanoparticles were modified by 2-picolamine and then utilized as a solid-phase sorbent for Hg(II) extraction. A statisticalmethod, based on surface response design, has been used for the optimization of Hg ion elution from the magnetic nanoparticles. The sorbed Hg ions were eluted quantitatively with 5.5 mL of a solution containing 0.8 M HCl and 0.08 M EDTA after 12 min. The recovery value in this method was 98.6% with RSD of 1.4%,and the obtained LOD was 0.01 ng/mL. The preconcentration factor was calculated to be 179. The method was applied to the determination of hair Hg content for biomonitoring purposes.

Sorbent‐Based Microextraction Techniques for the Analysis of Phthalic Acid Esters in Water Samples

2021 ◽  
pp. 1-61
Author(s):  
Miguel Ángel González‐Curbelo ◽  
Javier González‐Sálamo ◽  
Diana A. Varela‐Martínez ◽  
Javier Hernández‐Borges
Keyword(s):  
Water Samples ◽  
Phthalic Acid ◽  
Phthalic Acid Esters ◽  
Microextraction Techniques ◽  
Acid Esters

Development of a solid-phase microextraction method for the determination of phthalic acid esters in water

2002 ◽  
Vol 457 (2) ◽  
pp. 211-223 ◽  
Author(s):  
Gabriela Prokůpková ◽  
Kateřina Holadová ◽  
Jan Poustka ◽  
Jana Hajšlová
Keyword(s):  
Phthalic Acid ◽  
Solid Phase Microextraction ◽  
Solid Phase ◽  
Phthalic Acid Esters ◽  
Acid Esters
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