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18,293 Newest Publications about the topic separation

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Spontaneous separation of on-surface synthesized tris-helicenes into two-dimensional homochiral domains

03-Jul-2018 | Jingyi Li; Kévin Martin; Narcis Avarvari; Christian Wäckerlin; Karl-Heinz Ernst, Chemical Communication, 2018

The on-surface Ullmann coupling of 2,3-dibromo[4]helicene molecules is studied on Au(111) and Cu(111) surfaces. Bis-helicene and tris-helicene are identified with scanning tunnelling microscopy and X-ray photoelectron spectroscopy as reaction products. The produced star-shaped tris-helicenes ...

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Chemical separation and MC-ICPMS analysis of U, Th, Pa and Ra isotope ratios of carbonates

03-Jul-2018 | Johanna Christina Obert; Denis Scholz; Jörg Lippold; Thomas Felis; Klaus Peter Jochum; Meinrat O. Andreae, Journal of Analytical Atomic Spectrometry, 2018

Diagenetic alteration of fossil reef corals may have severe effects on the reliability of 230Th/U-ages. The widely applied criteria introduced to test for the reliability of coral 230Th/U-ages are often not sufficient to identify all altered ages. The combination of 230Th/U- with 231Pa/U-dating ...

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Sustainable hydrophobic terpene-based eutectic solvents for the extraction and separation of metals

03-Jul-2018 | Nicolas Schaeffer; Mónia Martins; Catarina Seiça Neves; Simão P. Pinho; Joao A. P. Coutinho, Chemical Communication, 2018

Sustainable hydrophobic eutectic solvents, composed of low-priced and biodegradable terpenes and fatty acids, were used for the extraction and separation of Cu(II) from other transition metals in mildly acidic solutions. Multiple parameters were evaluated for metal extraction and the hydrophobic ...

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Harnessing electrostatic catalysis in single molecule, electrochemical and chemical systems: a rapidly growing experimental tool box

03-Jul-2018 | Simone Ciampi; Nadim Darwish; Heather M. Aitken; Ismael Díez-Pérez; Michelle L. Coote, Chemical Society Reviews, 2018

Static electricity is central to many day-to-day practical technologies, from separation methods in the recycling of plastics to transfer inks in photocopying, but the exploration of how electrostatics affects chemical bonding is still in its infancy. As shown in the Companion Tutorial, the ...

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Enhanced photocatalytic performance and stability of visible-light-driven Z-scheme CdS/Ag/g-C3N4 nanosheets photocatalyst

03-Jul-2018 | Yingying Qin; Hong Li; Hongjun Dong; Changchang Ma; Xiuying Li; Xinlin Liu; Yang Liu; Chunxiang Li; Yongsheng Yan, New Journal of Chemistry, 2018

A novel Z-scheme CdS/Ag/g-C3N4 nanosheets photocatalyst was synthesized by combining the hydrothermal and photo-deposition techniques, where Ag nanoparticles as carrier transport channels significantly improve the separation efficiency of electron–hole pairs. Outstanding photocatalytic activity ...

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Selective separation of cadmium (II) from Zinc (II) by a novel hydrophobic ionic liquid including N,N,N׳,N׳-tetrakis(2-methylpyridyl)-1,2-phenylenediamine-4-amido structure: A hard-soft donor combined method

03-Jul-2018 | Hao Wu; Xiaoxia Zhang; Xiangbiao Yin; Yusuke Inaba; Harigai Miki; Kenji Takeshita, Dalton Transactions, 2018

A novel hydrophobic ionic liquid including N,N,N׳,N׳-tetrakis(2-methylpyridyl)-1, 2-phenylenediamine-4-amido structure ((IL-1,2-tpbd)+NTf2-) was successfully synthesized. (IL-1,2-tpbd)+NTf2- combined one amido (O-hard donor) and four pyridine (N-soft donor) groups. Its separation behaviors of ...

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Synthesis of SrHPO4/Fe3O4 magnetic nanocomposite and its application on Pb2+ removal from aqueous solutions

01-Jul-2018 | Author(s): Zhenzhen Lu, Ruiqin Tan, Weiwei Chu, Shihui Tang, Wei Xu, Weijie Song, Microchemical Journal, 2018

Publication date: November 2018 Source:Microchemical Journal, Volume 142 Author(s): Zhenzhen Lu, Ruiqin Tan, Weiwei Chu, Shihui Tang, Wei Xu, Weijie Song Strontium hydrogen phosphate/Fe3O4 magnetic nanocomposite (M-SrHPO4) was successfully synthesized using a facile method of ...

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Use of ESI FT–ICR MS to investigate molecular transformation in simulated aerobic biodegradation of a sulfur-rich crude oil

01-Jul-2018 | Author(s): Weimin Liu, Yuhong Liao, Yinhua Pan, Bin Jiang, Qing Zeng, Quan Shi, Chang Samuel Hsu, Organic Geochemistry, 2018

Publication date: September 2018 Source:Organic Geochemistry, Volume 123 Author(s): Weimin Liu, Yuhong Liao, Yinhua Pan, Bin Jiang, Qing Zeng, Quan Shi, Chang Samuel Hsu Achieving an understanding of the biodegradation of organic sulfur compound(s) (OSC) in crude oils has been ...

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Molecules, Vol. 23, Pages 1573: Simultaneous Determination and Pharmacokinetics of Peimine and Peiminine in Beagle Dog Plasma by UPLC-MS/MS after the Oral Administration of Fritillariae ussuriensis Maxim and Fritillariae thunbergii Miq Powder

28-Jun-2018 | Wang, Zhibin ; Cao, Feng ; Chen, Yajun ; Tang, Zhenqiu ; Wang, Zhenyue, Molecules, 2018

Molecules, Vol. 23, Pages 1573: Simultaneous Determination and Pharmacokinetics of Peimine and Peiminine in Beagle Dog Plasma by UPLC-MS/MS after the Oral Administration of Fritillariae ussuriensis Maxim and Fritillariae thunbergii Miq Powder Molecules doi: ...

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Energies, Vol. 11, Pages 1679: Development of Honeycomb Methanation Catalyst and Its Application in Power to Gas Systems

27-Jun-2018 | Biegger, Philipp ; Kirchbacher, Florian ; Medved, Ana Roza; Miltner, Martin ; Lehner, Markus ; Harasek, Michael, Energies, 2018

Energies, Vol. 11, Pages 1679: Development of Honeycomb Methanation Catalyst and Its Application in Power to Gas Systems Energies doi: 10.3390/en11071679 Authors: Philipp Biegger Florian Kirchbacher Ana Roza Medved Martin Miltner Markus Lehner Michael Harasek Fluctuating ...

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