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61 Newest Publications about the topic uv lamps

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A helical chiral polymer‐based chromo‐fluorescence and CD response sensor for selective detection of trivalent cations

28-Jun-2013 | Lu Wang, Fei Li, Xunhua Liu, Guo Wei, Yixiang Cheng, Chengjian Zhu, Journal of Polymer Science Part A: Polymer Chemistry, 2013

ABSTRACT A novel chiral (S)‐BINAM‐based fluorescent polymer sensor was designed and synthesized by the polymerization of 4,4′‐((2,5‐dibutoxy‐1,4‐phenylene)bis(ethyne‐2,1‐diyl))‐dibenzaldehyde (M‐1) with (S)‐2,2′‐binaphthyldiamine (S‐BINAM, M‐2) via Schiff's base formation. The resulting ...

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Photoreduction of Nitrogen Trifluoride with Controlled Release of Radicals

08-Jun-2013 | Xingang Liu, Jiahui Zhang, Renxi Zhang, Huiqi Hou, Shanping Chen, Yi Zhang, Journal of Chemical Technology & Biotechnology, 2013

Abstract Background With the rapid growth of the semiconductor and thin film transistor liquid crystal display manufacturing industries, large quantities of the potent greenhouse gas nitrogen trifluoride (NF3) is in demand. But perfluorocarbons are very stable compounds because of their ...

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Photosensitizing Effects of Nanometer TiO2 on Chlorothalonil Photodegradation in Aqueous Solution and on the Surface of Pepper

17-May-2013 | Yong Qiang Tan; Hai Xia Xiong; Tao Zhong Shi; Ri Mao Hua; Xiang Wei Wu; Hai Qun Cao; Xue De Li; Jun Tang, Journal of Agricultural and Food Chemistry, 2013

The present study examined the effects of anatase nanometer TiO2 on photochemical degradation of chlorothalonil in aqueous solution and on the plant surface. Results showed that nanometer TiO2 exhibited a strong photosensitizing effect on the degradation of chlorothalonil both in aqueous solution ...

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Kinetics and Modeling of Degradation of Ionophore Antibiotics by UV and UV/H2O2

25-Apr-2013 | Hong Yao; Peizhe Sun; Daisuke Minakata; John C. Crittenden; Ching-Hua Huang, Environmental Science & Technology, 2013

Ionophore antibiotics (IPAs), one of the major groups of pharmaceuticals used in livestock industry, have been found to contaminate agricultural runoff and surface waters via land application of animal manures as fertilizers. However, limited research has investigated the means to remove IPAs ...

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UV‐curable acrylate‐based nanocomposites: effect of polyaniline additives on the curing performance

24-Apr-2013 | Shadi Jafarzadeh, Mats Johansson, Per‐Erik Sundell, Mauro Claudino, Jinshan Pan, Per M. Claesson, Polymers for Advanced Technologies, 2013

Composites of nanostructured polyaniline (PANI) conducting polymer in a polyester acrylate (PEA) formulation were made to provide conductive organic coatings. The effect of the presence and amount of PANI on the photocuring performance of the ultraviolet (UV)‐curable acrylate system has been ...

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Effect of silanization of titanium dioxide on photocatalytic decomposition of 2,4‐dinitropheonol under irradiations with artificial UV light and sunlight

15-Apr-2013 | Fumihide Shiraishi, Mariko Ueno, Rumi Chand, Yuichiro Shibata, Hom Nath Luitel, Journal of Chemical Technology & Biotechnology, 2013

Abstract Background TiO2‐based heterogeneous photocatalysis is an effective way to degrade harmful refractory organic compounds. However, the rate of photocatalytic reaction is significantly decreased by a film diffusion resistance and several other factors. To overcome this problem, TiO2 ...

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Development, Testing, And Deployment of an Air Sampling Manifold for Spiking Elemental and Oxidized Mercury During the Reno Atmospheric Mercury Intercomparison Experiment (RAMIX)

20-Mar-2013 | B. D Finley; D. A. Jaffe; K. Call; S Lyman; M. Sexauer Gustin; C. Peterson; M. Miller; T. Lyman, Environmental Science & Technology, 2013

The Reno Atmospheric Mercury Intercomparison Experiment (RAMIX) was in Reno, NV from August 22, 2011 to September 16, 2011. The goals of the experiment were to compare existing and new methods for measurements of ambient elemental and oxidized Hg, and to test these with quantitative spikes of ...

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A novel low‐energy hybrid process for the removal of organic contaminants in ultrapure water systems

06-Mar-2013 | T. Sun, K. Chen, Asia-Pacific Journal of Chemical Engineering, 2013

ABSTRACT To achieve the goal of implementation of low‐energy and low‐chemical usage for trace organic compound removal, the hybrid oxidation/adsorption purification system using nitrogen‐doped titanium dioxide catalytic oxidation followed by activated carbon adsorption was proposed in this ...

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Molecules, Vol. 18, Pages 1457-1463: Degradation of Methyl Blue Using Fe-Tourmaline as a Novel Photocatalyst

24-Jan-2013 | Bian, Xuesen ; Chen, Jianqiu ; Ji, Rong, Molecules, 2013

This study investigated the photocatalytic activity of tourmaline by itself. Under irradiation of a 13 W, 254 nm UV lamp, 50% of methyl blue disappeared in the presence of 130 mg·L−1 tourmaline. The reaction was inhibited by the addition of ethanol, Cl−, SO42− and Cu2+, and ...

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Ferrioxalate actinometry with online spectrophotometric detection

19-Nov-2012 | Tímea Lehóczki, Éva Józsa, Katalin Ősz, Journal of Photochemistry and Photobiology A: Chemistry, 2012

The best methods to study the stoichiometries of photochemical reactions are those that provide a continuous monitoring of the changes e.g. by measuring the spectral changes in the UV–vis region. Although the light of a diode array spectrophotometer or other lamp (UV lamp, LED, etc.) is not ...

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