Adsorption and Determination of Polycyclic Aromatic Hydrocarbons in Water Through
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Journal xyz 2017; 1 (2): 122–135 Open Chem., 2018; 16: 716–725 The First Decade (1964-1972) Research Article Open Access Research Article Bingjun Han*, Ya Li, Bing Qian, Yan He, Lixu Peng, Huamei Yu Max Musterman, Paul Placeholder What Is So Different About Adsorption and determination of polycyclic Neuroenhancement? Was ist so anders am Neuroenhancement? aromatic hydrocarbons in water through the aggregation of grapheneJournal xyz oxide 2017; 1 (2): 122–135 Pharmacological and Mental Self-transformation in Ethic Comparison https://doi.org/10.1515/chem-2018-0078 Pharmakologische und mentale Selbstveränderung im The First Decade (1964-1972) received February 10, 2018; accepted May 29, 2018. Keywords: graphene oxide; aggregation; polycyclic ethischen Vergleich Research Article aromatic hydrocarbons. Abstract: In this study, a simple method was developed for https://doi.org/10.1515/xyz-2017-0010 the aggregation of graphene oxide (GO) with the addition received February 9, 2013; accepted March 25, 2013; published online July 12, 2014 Max Musterman, Paul Placeholder of NaCl to concentrate and separate polycyclic aromatic 1 Introduction Abstract: In the concept of the aesthetic formation of knowledge and its as soon Whathydrocarbons Is So (PAHs)Different from water About samples, and this as possible and success-oriented application, insights and profits without the method was used as a environmentally friendly method for Environmentally friendly (green) analytical methodologies reference to the arguments developed around 1900. The main investigation also Neuroenhancement?the determination of PAHs. We demonstrate the uniform are in high demand to reduce the risks of chemical use to includes the period between the entry into force and the presentation in its current dispersion of GO sheets in aqueous samples for the fast humans and the environment [1]. However, the traditional version. Their function as part of the literary portrayal and narrative technique. Was ist so anders am Neuroenhancement? high-efficiency adsorption of PAHs. Aggregation occurred analytical methods used to detect environmental Keywords: Function, transmission, investigation, principal, period immediately upon elimination of electrostatic repulsion pollutants often contribute to further pollution through Pharmacologicalby adding NaCl and to neutralizeMental Self-transformation the excessive negative in theEthic chemicals used in analysis, as hazardous chemicals Dedicated to Paul Placeholder Comparisoncharges on the surfaces of the GO sheets. The aggregates are required for analytical sample preparation, quality Pharmakologischeof GO and PAHs were und separated mentale and treatedSelbstveränderung with hexane to control,im and calibration [2,3]. Sometimes these chemicals ethischenform a slurry. Vergleich The slurry was filtered and subjected to gas are more toxic than the original analyzed sample. 1 Studies and Investigations chromatography–mass spectroscopy (GC-MS) analysis. Therefore, the development of novel green analytical https://doi.org/10.1515/xyz-2017-0010Based on a 40-mL sample volume, limits of detection of methods remains necessary. The main investigation also includes the period between the entry into force and received February 9,−1 2013; accepted March 25, 2013; published online July 12, 2014 the presentation in its current version. Their function as part of the literary por- 10–30 ng L were obtained for 16 PAHs, with correlation Polycyclic aromatic hydrocarbons (PAHs) are a class 2 trayal and narrative technique. coefficients (R ) exceeding 0.99. The method yielded good of common and persistent environmental pollutants Abstract: In the concept of the aesthetic formation of knowledge and its as soon recovery, ranging from 80 to 111% and 80 to 107% for real containing three or more benzene rings, and they are as possible and success-oriented application, insights and profits without the spiked water samples at 100 and 500 ng L−1, respectively. toxic to aquatic animals and humans [4]. PAHs are reference to the arguments developed around 1900. The main investigation also *Max Musterman: Institute of Marine Biology, National Taiwan Ocean University, 2 Pei-Ning Compared to traditional solid-phase extraction and frequently found in the soil, air and water, where they Road Keelung 20224, Taiwan (R.O.C), e-mail: [email protected] includes the period between the entry into force and the presentation in its current liquid–liquid extraction methods, this method is free of can negatively impact human health [5]. Therefore, the Paul Placeholder: Institute of Marine Biology, National Taiwan Ocean University, 2 Pei-Ning version. Their function as part of the literary portrayal and narrative technique. Road Keelung 20224, Taiwan (R.O.C), e-mail: [email protected] organic reagents in the pretreatment procedure and uses rapid and sensitive determination of PAH compounds in only 1 Function,mL hexane transmission, for sample introduction. investigation, principal, periodenvironmental samples is urgently needed [6-9]. However, Open Access. © 2017 Mustermann and Placeholder, published by De Gruyter. This work is Keywords: licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. the traditional liquid–liquid [10] and solid-phase (SPE) Dedicated to Paul Placeholder [11,12] methods for extraction before determination of PAHs usually consume large quantities of solvents, which lead to further polluting of the environment [13-16]. *Corresponding author: Bingjun Han, Analysis & Testing Center, Graphene oxide (GO) is a two-dimensional carbon 1 StudiesChinese Academy and of Tropical Investigations Agricultural Sciences, Hainan nanomaterial that has attracted significant scientific Provincial Key Laboratory of Quality and Safety for Tropical Fruits and attention in recent years [17-19]. GO can be obtained by The mainVegetables, investigation Haikou, Hainan also 571101,includes China, the E-mail: period [email protected] between the entry into force and the strong oxidation of graphite; it possesses a layered the presentationYa Li, Bing Qian, in Yanits He,current Lixu Peng: version. Analysis Their & Testing function Center, as part of the literary por- Chinese Academy of Tropical Agricultural Sciences, Hainan structure and negatively charged surfaces [20]. At the trayal and narrative technique. Provincial Key Laboratory of Quality and Safety for Tropical Fruits edges of the carbon layers, dense carboxyl groups and Vegetables, Haikou, Hainan 571101, China significantly affect the van der Waals interactions among Environment and Plant Protection Institute, Bing Qian, Lixu Peng: adjacent graphene layers and render the material strongly *Max ChineseMusterman: Academy Institute of Tropical of Marine Agricultural Biology, National Sciences, Taiwan Haikou, Ocean Hainan University, 2 Pei-Ning hydrophilic [21,22]. Thus, many hydrophilic and polar Road Keelung571101, China 20224, Taiwan (R.O.C), e-mail: [email protected] Paul Placeholder:Bing Qian, Huamei Institute Yu: of College Marine ofBiology, Environment National and Taiwan Plant OceanProtection, University, substances 2 Pei-Ning including pigments [23,24], endogenous Road KeelungHainan University, 20224, Taiwan Haikou, (R.O.C), Hainan e-mail: 570228, [email protected] China estrogen [25], heavy metal ions [26,27], phenols [28], and Journal xyz 2017; 1 (2): 122–135 Open Access. Open Access. © 2017 ©Mustermann 2018 Bingjun and Placeholder,Han et al., published published by by DeDe Gruyter.Gruyter. This workwork is is licensed under the Creative Commons Attribution- licensedNonCommercial-NoDerivatives under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. 4.0 License. The First Decade (1964-1972) Research Article Max Musterman, Paul Placeholder What Is So Different About Neuroenhancement? Was ist so anders am Neuroenhancement? Pharmacological and Mental Self-transformation in Ethic Comparison Pharmakologische und mentale Selbstveränderung im ethischen Vergleich https://doi.org/10.1515/xyz-2017-0010 received February 9, 2013; accepted March 25, 2013; published online July 12, 2014 Abstract: In the concept of the aesthetic formation of knowledge and its as soon as possible and success-oriented application, insights and profits without the reference to the arguments developed around 1900. The main investigation also includes the period between the entry into force and the presentation in its current version. Their function as part of the literary portrayal and narrative technique. Keywords: Function, transmission, investigation, principal, period Dedicated to Paul Placeholder 1 Studies and Investigations The main investigation also includes the period between the entry into force and the presentation in its current version. Their function as part of the literary por- trayal and narrative technique. *Max Musterman: Institute of Marine Biology, National Taiwan Ocean University, 2 Pei-Ning Road Keelung 20224, Taiwan (R.O.C), e-mail: [email protected] Paul Placeholder: Institute of Marine Biology, National Taiwan Ocean University, 2 Pei-Ning Road Keelung 20224, Taiwan (R.O.C), e-mail: [email protected] Open Access. © 2017 Mustermann and Placeholder, published by De Gruyter. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. Adsorption and determination of polycyclic aromatic hydrocarbons in water through... 717 basic species[29] can be adsorbed onto the GO surface 2 Experimental Section through hydrogen bonding, anion-π, and electrostatic interactions