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1,808 Newest Publications about the topic mercury

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Non-mercury catalytic acetylene hydrochlorination over the NH4F-Urea-modified Pd/HY catalyst for vinyl chloride monomer production

10-Feb-2016 | Lu Wang; Feng Wang; Jide Wang, New Journal of Chemistry, 2016

Pd/HY zeolite catalyst modified by ammonium fluoride and urea (Pd/NH4F-Urea-HY) was efficient applied in acetylene hydrochlorination reaction and had an enhanced catalytic performance compared to untreated Pd/HY catalyst, which was attributed to the presence of ammonium fluoride and urea partly ...

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Supramolecular aggregation of Ni(salen) with (C6F5)2Hg and [o-C6F4Hg]3

09-Feb-2016 | Mitsukimi Tsunoda; Martin Fleischmann; James Jones; Nattamai Bhuvanesh; Manfred Scheer; F P Gabbai, Dalton Transactions, 2016

As part of our ongoing interest in metallophilic bonding, we have investigated the interaction of bis(pentafluorophenyl)mercury ((C6F5)2Hg), and trimeric (perfluoro-o-phenylene)mercury ([o-C6F4Hg]3), with nickel(II) N,N′-di(salicylidene)ethylenediamine) (Ni(salen)). While solution studies ...

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Significant signal enhancement of dielectric barrier discharge plasma induced vapor generation by using non-ionic surfactants for determination of mercury and cadmium by atomic fluorescence spectrometry

09-Feb-2016 | Yixiao Li; Zhenli Zhu; Hongtao Zheng; Lanlan Jin; Shenghong Hu, Journal of Analytical Atomic Spectrometry, 2016

Non-ionic surfactants (NISs) were used to improve the performance of dielectric barrier discharge plasma induced vapor generation (DBD plasma-CVG). The addition of Triton X-114 leads to 5.4 and 5.1 times improvement in the fluorescence signals of DBD plasma-CVG for cadmium and mercury, ...

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Chemical vapor generation from an ionic liquid using a solid reductant: determination of Hg, As and Sb by atomic fluorescence spectrometry

09-Feb-2016 | Xiaodong Wen; Ying Gao; Peng Wu; Zhiqiang Tan; Chengbin Zheng; Xiandeng Hou, Journal of Analytical Atomic Spectrometry, 2016

Generation of volatile hydrides and elemental mercury was accomplished in non-aqueous media by using a solid reductant of lithium aluminium tetrahydride (LiAlH4), stannous chloride dehydrate (SnCl2) or tetrahydroborate (THB) as a derivation reagent. A room temperature ionic liquid (RTIL) was used ...

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Acceptor states in HgCdTe films grown by molecular‐beam epitaxy on GaAs and Si substrates

03-Feb-2016 | M. V. Yakushev, K. D. Mynbaev, N. L. Bazhenov, V. S. Varavin, N. N. Mikhailov, D. V. Marin, S. A. Dvoretsky, Yu. G. ..., physica status solidi (c), 2016

Abstract A study of defects in HgCdTe films grown by molecular‐beam epitaxy on GaAs and Si substrates was performed. Variable‐temperature photoluminescence (PL) and carrier lifetime measurements were carried out on as‐grown films and films subjected to post‐growth annealings. Films grown on ...

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Isotopic Composition of Inorganic Mercury and Methylmercury Downstream of a Historical Gold Mining Region

03-Feb-2016 | Patrick M. Donovan; Joel D. Blum; Michael Bliss Singer; Mark Marvin-DiPasquale; Martin T.K. Tsui, Environmental Science & Technology, 2016

We measured total mercury (THg) and monomethyl mercury (MMHg) concentrations and mercury (Hg) isotopic compositions in sediment and aquatic organisms from the Yuba River (California, USA) to identify Hg sources and biogeochemical transformations downstream of a historical gold mining region. ...

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Reply to the ‘Comment on “Exposure to mercury and Aroclor 1268 congeners in least terns (Sternula antillarum) in coastal Georgia, USA”’ by P. C. Fuchsman, M. H. Henning and V. S. Magar, Environmental Science: Processes & Impacts, 2016, 18, DOI: 10.1039/C5EM00489F

03-Feb-2016 | Gabrielle L. Robinson; Gary L. Mills; Sara Schweitzer; Sonia Hernandez, Journal of Environmental Monitoring, 2016

This article provides our response to the comment by Fuchsman et al. regarding the interpretation of results presented in our recent publication (Robinson et al., Environmental Science: Processes & Impacts, 2015, 17, 1424) reporting on concentrations of Aroclor 1268 congeners in least tern eggs ...

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Comment on “Exposure to mercury and Aroclor 1268 congeners in least terns (Sternula antillarum) in coastal Georgia, USA” by G. L. Robinson, G. L. Mills, A. H. Lindell, S. H. Schweitzer and S. M. Hernandez, Environmental Science: Processes & Impacts, 2015, 17, 1424

02-Feb-2016 | P. C. Fuchsman; M. H. Henning; V. S. Magar, Journal of Environmental Monitoring, 2016

In a recent paper published in this journal (Robinson et al., Environmental Science: Processes & Impacts, 2015, 17, 1424), Robinson et al. reported concentrations of Aroclor 1268 congeners in least tern eggs in coastal Georgia, USA. This comment describes important omissions in Robinson et al.’s ...

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Single Gold Nanoparticle-Based Colorimetric Detection of Picomolar Mercury Ion with Dark-Field Microscopy

02-Feb-2016 | Xiaojun Liu; Zhangjian Wu; Qingquan Zhang; Wenfeng Zhao; Chenghua Zong; Hongwei Gai, Analytical Chemistry, 2016

Mercury severely damages the environment and human health, particularly when it accumulates in the food chain. Methods for the colorimetric detection of Hg2+ have increasingly been developed over the past decade because of the progress in nanotechnology. However, the limits of detection (LODs) of ...

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Preconcentration of mercury on polyaniline expands the horizon for energy dispersive X‐ray fluorescence determination

01-Feb-2016 | P. S. Remya Devi, S. Suvarna, M. Ghosh, G. Kiran Kumar, R. Verma, A. V. R. Reddy, X-Ray Spectrometry, 2016

Hg(II) was sorbed on polyaniline from aqueous solutions, followed by determination using energy dispersive X‐ray fluorescence spectrometry. Distribution coefficient of Hg(II) on polyaniline was about 4 × 103 in water, whereas distribution coefficient was 1.2 × 104 at 0.1 M HCl and decreased ...

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