Graphene quantum dots–eggshell nanocomposite to extract polycyclic aromatic hydrocarbons in water
作者： Habib Razmi , Vahideh Abdollahi , Rahim Mohammad-Rezaei
DOI: 10.1007/S10311-016-0555-5
关键词:
摘要: In solid-phase extraction, the sorbent controls selectivity, affinity, and loading capacity. Many sorbents can be used, such as functionalized resin, naphthalene, activated carbon, molecular-imprinted polymers, nanometer-sized materials. Here, we prepared a nanocomposite made of graphene quantum dots eggshell to extract polycyclic aromatic hydrocarbons from aqueous solutions. We studied effect sample volume, solution pH, amount nanosorbent, flow rate on extraction efficiency. obtained wide dynamic linear range 0.1 200 ng m/L, good linearity with r2 higher than 0.99, low-detection limits 5–75 pg m/L. measured PAH in spiked water samples.
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