Analysis of Di-(2-ethylhexyl)phthalate in Plastic Bottles of Drinking Water with Cone-shaped Membrane–Liquid Phase Microextraction

2016 ◽  
Vol 10 (2) ◽  
pp. 247-250
Author(s):  
Yanuardi Raharjo ◽  
◽  
Atika Gardena Kartika ◽  
Usreg Sri Handajani ◽  
◽  
...  
Keyword(s):  
Drinking Water ◽  
Liquid Phase ◽  
Organic Solvent ◽  
Ethyl Acetate ◽  
Water Sample ◽  
Mineral Water ◽  
Drinking Water Sample ◽  
Liquid Phase Microextraction ◽  
Limit Detection ◽  
Ethylhexyl Phthalate

The analysis of di-(2-ethylhexyl) phthalate (DEHP) was done in three kinds of polyethylene terephthalate (PET) plastic bottles of mineral water, namely: new bottle, ten times refilled and sunlight exposed new bottle. The optimal condition on this study is ethyl acetate as an organic solvent, 175 µl of organic solvent and 20 min of extraction time. This method has limit detection about 0.29 ppm, precision 96.48–110.10 %, accuracy until 1.95 % and enrichment factor until 302.67 times. Based on these results, cone shaped membrane-liquid phase microextraction method (CSM-LPME-HPLC) could be used to analyze DEHP in a PET plastic bottle of drinking water sample under mentioned kinds of circumstances with the concentration of 0.40, 0.53 and 0.76 ppm, respectively.

Effervescence-assisted spiral hollow-fibre liquid-phase microextraction of trihalomethanes, halonitromethanes, haloacetonitriles, and haloketones in drinking water

2020 ◽  
Vol 397 ◽  
pp. 122790 ◽  
Author(s):  
A. Dominguez-Tello ◽  
A. Dominguez-Alfaro ◽  
J.L. Gómez-Ariza ◽  
A. Arias-Borrego ◽  
T. García-Barrera
Keyword(s):  
Drinking Water ◽  
Liquid Phase ◽  
Hollow Fibre ◽  
Liquid Phase Microextraction

Hollow Fiber Supported Ionic Liquid Liquid-Phase Microextraction for Determination of Parathion in Environmental Water Sample

2013 ◽  
Vol 830 ◽  
pp. 319-322 ◽  
Author(s):  
Bo Zhou ◽  
Du Shu Huang ◽  
Shi Juan Xu ◽  
Na Wu ◽  
Wei Liu
Keyword(s):  
Ionic Liquid ◽  
Liquid Phase ◽  
Water Sample ◽  
Hollow Fiber ◽  
High Performance ◽  
Hollow Fiber Membrane ◽  
Enhancement Effect ◽  
Fast Method ◽  
Extraction Temperature ◽  
Liquid Phase Microextraction

A simple, environmentally friendly and fast method for the enrichment of parathion in water sample based on enhancement effect of room temperature ionic liquid (1-butyl-3-methyl imidazolium hexafluorophosphate, BmimPF6) for hollow fiber membrane liquid phase microextraction followed with high performance liquid chromatography (HPLC) has been developed. The effects of the analytical conditions such as the extraction time, extraction temperature, the pH of the sample solution, etc., were studied. Under optimized conditions, the value of the extraction efficiency can reach 195 for parathion.

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