Magnetized graphene layers synthesized on the carbon nanofibers as novel adsorbent for the extraction of polycyclic aromatic hydrocarbons from environmental water samples

2016 ◽  
Vol 1465 ◽  
pp. 1-8 ◽  
Author(s):  
Mostafa Rezvani-Eivari ◽  
Amirhassan Amiri ◽  
Mehdi Baghayeri ◽  
Ferial Ghaemi
Keyword(s):  
Polycyclic Aromatic Hydrocarbons ◽  
Carbon Nanofibers ◽  
Aromatic Hydrocarbons ◽  
Water Samples ◽  
Environmental Water ◽  
Environmental Water Samples ◽  
Graphene Layers ◽  
Polycyclic Aromatic

The headspace solid-phase microextraction of polycyclic aromatic hydrocarbons in environmental water samples using silica fiber modified by self assembled gold nanoparticles

2015 ◽  
Vol 7 (19) ◽  
pp. 8086-8093 ◽  
Author(s):  
Fahimeh Zare ◽  
Mehrorang Ghaedi ◽  
Ali Daneshfar
Keyword(s):  
Gold Nanoparticles ◽  
Polycyclic Aromatic Hydrocarbons ◽  
Aromatic Hydrocarbons ◽  
Water Samples ◽  
Solid Phase Microextraction ◽  
Solid Phase ◽  
Environmental Water ◽  
Environmental Water Samples ◽  
Headspace Solid Phase Microextraction ◽  
Polycyclic Aromatic

The headspace solid phase microextraction method with modified silica fibers prepared based on self assembled gold nanoparticles and the sol–gel method is described for the determination of trace amounts of polycyclic aromatic hydrocarbons in environmental water samples..

QSAR aided design and development of biopolymer-based SPE phase for liquid chromatographic analysis of polycyclic aromatic hydrocarbons in environmental water samples

RSC Advances ◽  
2016 ◽  
Vol 6 (75) ◽  
pp. 71596-71611 ◽  
Author(s):  
Chukwunonso Peter Okoli ◽  
Gregory Olufemi Adewuyi ◽  
Qian Zhang ◽  
Qingjun Guo
Keyword(s):  
Polycyclic Aromatic Hydrocarbons ◽  
Aromatic Hydrocarbons ◽  
Water Samples ◽  
High Performance ◽  
Solid Phase ◽  
Environmental Water ◽  
Environmental Water Samples ◽  
Uv Detectors ◽  
Polycyclic Aromatic ◽  
Liquid Chromatographic

A solid-phase extraction method, using a starch based biopolymer as an adsorbent, coupled with high performance liquid chromatography-fluorescence/UV detectors was developed for the determination of 16 polycyclic aromatic hydrocarbons in environmental water samples.

scholarly journals A Novel Protocol to Monitor Trace Levels of Selected Polycyclic Aromatic Hydrocarbons in Environmental Water Using Fabric Phase Sorptive Extraction Followed by High Performance Liquid Chromatography-Fluorescence Detection

2017 ◽  
Author(s):  
Shivender Singh Saini ◽  
Abuzar Kabir ◽  
Ashok Kumar Malik ◽  
Avasarala Lakshmi Jagannadha Rao ◽  
Kenneth Furton
Keyword(s):  
Polycyclic Aromatic Hydrocarbons ◽  
Aromatic Hydrocarbons ◽  
Water Samples ◽  
Environmental Water ◽  
Detection Sensitivity ◽  
Environmental Water Samples ◽  
Sorptive Extraction ◽  
Relative Standard ◽  
Wide Range ◽  
Polycyclic Aromatic

Fabric phase sorptive extraction (FPSE) combines the advanced material properties of sol–gel derived microextraction sorbents and the flexible and permeable fabric support to create a robust, simple and green sample preparation device. It simultaneously improves the extraction sensitivity, and the speed of the extraction by incorporating high volume of sponge-like porous sol–gel hybrid inorganic–organic sorbents into permeable fabric substrates that is capable of extracting target analytes directly from simple to complex aqueous sample matrices. For the first time, this technique was applied to the trace level determination of selected polycyclic aromatic hydrocarbons (PAHs) in environmental water samples using a non-polar sol–gel C18 coated FPSE media. Several extraction parameters were optimized to improve extraction efficiency and to achieve high detection sensitivity. Validation tests of spiked samples showed good linearity for four selected PAHs (R2 = 0.9983–0.9997) over a wide range of concentrations (0.010-10 ng/mL). Limits of detection (LODs) and quantification (LOQs) were measured at pg/mL levels, 0.1–1 pg/mL and 0.3–3 pg/mL, respectively. Inter- and intra-day precision tests showed variations of 1.1–4.1% for four selected PAHs. Average absolute recovery values were in the range of 88.1–90.5% surpassed the recovery prediction model, with relative standard deviations below 5%. The developed FPSE-HPLC-FLD protocol was finally applied to analyze 8 environmental water samples. Out of four selected PAHs, fluoranthene (Flu) and phenanthrene (Phen) were the most frequently detected in four samples, at concentration levels of 5.6–7.7 ng/mL and 4.1-11 ng/mL, respectively followed by anthracene (Anth) and pyrene (Pyr) in two samples. The newly developed FPSE-HPLC-FLD protocol is simple, green, fast and economical, with adequate sensitivity for trace levels of four selected PAHs and seems to be promising in routine monitoring of water quality and safety.

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