Journal
MICROCHEMICAL JOURNAL
Volume 144, Issue -, Pages 361-368Publisher
ELSEVIER
DOI: 10.1016/j.microc.2018.09.027
Keywords
Carbon foam; Environmental analysis; Gas chromatography-mass spectrometry; Polyaromatic hydrocarbons; Sample preparation; Stir-bar supported micro-solid-phase extraction
Categories
Funding
- King Fand University of Petroleum and Minerals [DSR NUS15105]
- Center for Environment and Water, Research Institute, King Fand University of Petroleum and Minerals, Saudi Arabia
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In this work, a low-cost sorbent namely carbon foam was synthesized and calcined by a single step reaction. The mixture of precursors (sucrose and zinc nitrate) was heated under a nitrogen environment inside a furnace using a pre-defined temperature programming. The morphological features of the resulting material were revealed by field emission scanning electron microscopy. The material was further utilized for stir-bar supported membrane protected micro-solid-phase extraction (SB-mu-SPE) of polyaromatic hydrocarbons (PAHs) in water samples. The extracted analytes were quantified using gas chromatography mass spectrometry. The performance of SB-mu-SPE was optimized by using a univariate approach. This method provided a good linear relationship for extraction of the PM-Is, and R-2 values ranged from 0.9986 to 0.9994. Detection limits were ranged from 0.29 to 8.4 ng/mL. Relative standard deviation values were calculated at various concentrations and ranged between 3.8 and 10.9%.
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