Articles with "vacuum ultraviolet" as a keyword



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Analysis of terpenes and turpentines using gas chromatography with vacuum ultraviolet detection.

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Published in 2017 at "Journal of separation science"

DOI: 10.1002/jssc.201601019

Abstract: The separation and identification of natural mixtures of terpenes is challenging and laborious. A gas chromatographic method based on vacuum ultraviolet spectroscopic detection, which is characterized by full-scan absorption in the range of 125-240 nm,… read more here.

Keywords: detection; terpenes turpentines; vacuum ultraviolet; analysis ... See more keywords
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A proposal for vacuum ultraviolet torch using plasmonic-based photonic crystal fibre

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Published in 2021 at "Indian Journal of Physics"

DOI: 10.1007/s12648-021-02111-3

Abstract: In this paper, we propose a vacuum ultraviolet (VUV) torch with the help of copper-based plasmonic photonic crystal fibre. The principle of operational mechanism relies on the distribution of electric field in the photonic fibre.… read more here.

Keywords: crystal fibre; torch; fibre; vacuum ultraviolet ... See more keywords
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Pseudo-absolute quantitative analysis using gas chromatography - Vacuum ultraviolet spectroscopy - A tutorial.

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Published in 2017 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2016.11.039

Abstract: The vacuum ultraviolet detector (VUV) is a new non-destructive mass sensitive detector for gas chromatography that continuously and rapidly collects full wavelength range absorption between 120 and 240 nm. In addition to conventional methods of quantification… read more here.

Keywords: pseudo absolute; vacuum ultraviolet; analysis; gas ... See more keywords
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Resolution of isomeric new designer stimulants using gas chromatography - Vacuum ultraviolet spectroscopy and theoretical computations.

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Published in 2017 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2017.03.023

Abstract: Distinguishing isomeric representatives of "bath salts", "plant food", "spice", or "legal high" remains a challenge for analytical chemistry. In this work, we used vacuum ultraviolet spectroscopy combined with gas chromatography to address this issue on… read more here.

Keywords: gas chromatography; vacuum ultraviolet; spectroscopy;
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A green and robust method to measure nanomolar dissolved organic nitrogen (DON) by vacuum ultraviolet

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2019.01.124

Abstract: Abstract Quantifying trace dissolved organic nitrogen (DON) in water is currently challenging for conventional methods not only because of the presence of dissolved inorganic nitrogen (DIN) species, which usually dominate in total nitrogen (TN), but… read more here.

Keywords: dissolved organic; method; nitrogen; organic nitrogen ... See more keywords
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Removal of NO in flue gas using vacuum ultraviolet light/ultrasound/chlorine in a VUV-US coupled reactor

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Published in 2018 at "Fuel Processing Technology"

DOI: 10.1016/j.fuproc.2017.10.011

Abstract: Abstract Removal process of NO and integrated removal process of NO and SO 2 using vacuum ultraviolet light (VUV)/ultrasound (US)/chlorine system in a VUV-US coupled reactor were developed. The feasibility, key influencing factors and mechanism… read more here.

Keywords: vuv; vacuum ultraviolet; removal; ultraviolet light ... See more keywords
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Room temperature bonding of cycloolefin polymer by vacuum ultraviolet surface photoactivation

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Published in 2020 at "International Journal of Adhesion and Adhesives"

DOI: 10.1016/j.ijadhadh.2020.102604

Abstract: Abstract We have applied vacuum ultraviolet (VUV) irradiation to room temperature bonding (RTB) of cyclo-olefin polymer (COP). The COP surface was oxidized into oxygen functional groups through the VUV irradiation in air. The extent of… read more here.

Keywords: irradiation; vacuum ultraviolet; surface; room temperature ... See more keywords
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Room temperature direct patterning of nanocrystalline zinc oxide on flexible polymer substrates through vacuum ultraviolet light irradiation

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Published in 2020 at "Thin Solid Films"

DOI: 10.1016/j.tsf.2020.138166

Abstract: Abstract This paper describes a 172-nm vacuum ultraviolet (VUV) light treatment in ambient air towards the formation of nanocrystalline zinc oxide (ZnO) micropatterns. Thin layers of zinc acetate (Zn(OAc)2) as a precursor are spun on… read more here.

Keywords: polymer substrates; vacuum ultraviolet; polymer; zinc oxide ... See more keywords
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A Vacuum Ultraviolet Photoionization Time-of-Flight Mass Spectrometer for Investigation of Free Radical Reaction

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Published in 2020 at "Chinese Journal of Analytical Chemistry"

DOI: 10.1016/s1872-2040(19)61208-9

Abstract: Abstract A home-made vacuum ultraviolet (VUV) photoionization linear time-of-flight mass spectrometer (VUVPI-LTOFMS) was utilized to study atmospheric radical reactions. A commercial krypton discharge lamp with photon energy at 10.6 eV was installed as VUV light… read more here.

Keywords: flight mass; photoionization; vacuum ultraviolet; mass spectrometer ... See more keywords
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Detection of Chemical Compositions of Ultrafine Nanoparticles by a Vacuum Ultraviolet Photoionization Nucleation Aerosol Mass Spectrometer

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Published in 2020 at "Chinese Journal of Analytical Chemistry"

DOI: 10.1016/s1872-2040(20)60009-3

Abstract: Abstract A vacuum ultraviolet photoionization nucleation aerosol mass spectrometer (VUVPI-AMS) was developed for detection of chemical compositions of ultrafine nanoparticles with size of less than 100 nm. A commercial nano-scanning mobility particle sizer (Nano-SMPS) was… read more here.

Keywords: ultraviolet photoionization; vacuum ultraviolet; ultrafine nanoparticles; mass ... See more keywords
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Organic Pollutant Degradation in Water by the Vacuum-Ultraviolet/Ultraviolet/H2O2 Process: Inhibition and Enhancement Roles of H2O2.

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Published in 2019 at "Environmental science & technology"

DOI: 10.1021/acs.est.8b05831

Abstract: A vacuum-ultraviolet/ultraviolet (VUV/UV) mercury lamp was found to be a highly efficient radiation source for UV-based advanced oxidation processes (AOPs). If this lamp could enhance the UV/H2O2 process, it would be very attractive. Hence, we… read more here.

Keywords: h2o2 process; degradation; water; vacuum ultraviolet ... See more keywords