TY - JOUR
T1 - Fabrication of nanoscale graphitic carbon nitride/copper oxide hybrid composites coated solid-phase microextraction fibers coupled with gas chromatography for determination of polycyclic aromatic hydrocarbons
AU - Yang, Yixin
AU - Qin, Peige
AU - Zhang, Jing
AU - Li, Wenqi
AU - Zhu, Jinhua
AU - Lu, Minghua
AU - Cai, Zongwei
N1 - Funding Information:
Support by the National Nature Science Foundation of China ( 21477033 ), Program for Science & Technology Innovation Talents in Universities of Henan Province ( 17HASTIT003 ), and Program for Excellent Youth Scholars in Higher Education of Henan Province ( 2014GGJS-024 ) are gratefully acknowledged.
Funding Information:
Support by the National Nature Science Foundation of China (21477033), Program for Science & Technology Innovation Talents in Universities of Henan Province (17HASTIT003), and Program for Excellent Youth Scholars in Higher Education of Henan Province (2014GGJS-024) are gratefully acknowledged.
PY - 2018/10/5
Y1 - 2018/10/5
N2 - In this work, a novel nanoscale graphitic carbon nitride hybridized with copper oxide (nano-g-C3N4/CuO) composite was prepared and used as the coating of solid-phase microextraction (SPME) for the first time. The coating was applied to adsorption and preconcentration of polycyclic aromatic hydrocarbons (PAHs) including naphthalene, acenaphthene, fluorene, phenanthrene, anthracene, and pyrene from water and soil prior to gas chromatography (GC) analysis. Compared with pristine nanoscale graphitic carbon nitride (nano-g-C3N4) or copper oxide (CuO), the as-prepared nano-g-C3N4/CuO composite as the coating of SPME provided the best adsorption affinity for PAHs. Moreover, the extraction efficiencies of the nano-g-C3N4/CuO coated fibers were much higher than that of bulk-g-C3N4/CuO hybrids. The developed method exhibited excellent linearity for target analytes in the range of 0.1–1000 ng/mL with determination coefficient (R2) not lower than 0.9944. The limits of detection (LODs) of the established method for the analysis of PAHs were achieved between 0.025 and 0.40 ng/mL. The relative standard deviations (RSDs) for three replicate extractions with one fiber were determined from 2.5% to 7.3%. The fiber-to-fiber reproducibility (n = 3) was 5.4–12.8%. The prepared coating also demonstrated excellent thermal and chemical stability. The method was successfully applied to analysis of target analytes in water and soil samples and the corresponding contents were calculated between 0.07 and 1.58 μg/g.
AB - In this work, a novel nanoscale graphitic carbon nitride hybridized with copper oxide (nano-g-C3N4/CuO) composite was prepared and used as the coating of solid-phase microextraction (SPME) for the first time. The coating was applied to adsorption and preconcentration of polycyclic aromatic hydrocarbons (PAHs) including naphthalene, acenaphthene, fluorene, phenanthrene, anthracene, and pyrene from water and soil prior to gas chromatography (GC) analysis. Compared with pristine nanoscale graphitic carbon nitride (nano-g-C3N4) or copper oxide (CuO), the as-prepared nano-g-C3N4/CuO composite as the coating of SPME provided the best adsorption affinity for PAHs. Moreover, the extraction efficiencies of the nano-g-C3N4/CuO coated fibers were much higher than that of bulk-g-C3N4/CuO hybrids. The developed method exhibited excellent linearity for target analytes in the range of 0.1–1000 ng/mL with determination coefficient (R2) not lower than 0.9944. The limits of detection (LODs) of the established method for the analysis of PAHs were achieved between 0.025 and 0.40 ng/mL. The relative standard deviations (RSDs) for three replicate extractions with one fiber were determined from 2.5% to 7.3%. The fiber-to-fiber reproducibility (n = 3) was 5.4–12.8%. The prepared coating also demonstrated excellent thermal and chemical stability. The method was successfully applied to analysis of target analytes in water and soil samples and the corresponding contents were calculated between 0.07 and 1.58 μg/g.
KW - Nano-g-CN/CuO composites
KW - Nanoscale graphitic carbon nitride (nano-g-CN)
KW - Polycyclic aromatic hydrocarbons (PAHs)
KW - Sample preparation
KW - Solid-phase microextraction (SPME)
UR - http://www.scopus.com/inward/record.url?scp=85050889642&partnerID=8YFLogxK
U2 - 10.1016/j.chroma.2018.07.080
DO - 10.1016/j.chroma.2018.07.080
M3 - Journal article
C2 - 30078480
AN - SCOPUS:85050889642
SN - 0021-9673
VL - 1570
SP - 47
EP - 55
JO - Journal of Chromatography A
JF - Journal of Chromatography A
ER -