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1,504 Newest Publications about the topic mercury

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Selective turn-off phosphorescent and colorimetric detection of mercury(II) in water by half-lantern platinum(II) complexes

26-Mar-2015 | Violeta Sicilia; Pilar Borja; Miguel Baya; José M. Casas, Dalton Transactions, 2015

The platinum(ii) half-lantern dinuclear complexes [{Pt(bzq)(μ-C7H4NS2-κN,S)}2] (A) and [{Pt(bzq)(μ-C7H4NOS-κN,S)}2] (B) [bzq = benzo[h]quinolinate, C7H4NS2 = 2-mercaptobenzothiazolate, C7H4NOS = 2-mercaptobenzoxazolate] in solution of DMSO–H2O undergo a dramatic color change from yellowish-orange ...

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Activation and Deactivation of a Robust Immobilized Cp*Ir-Transfer Hydrogenation Catalyst: A Multielement in Situ X-ray Absorption Spectroscopy Study

20-Mar-2015 | Grant J. Sherborne; Michael R. Chapman; A. John Blacker; Richard A. Bourne; Thomas W. Chamberlain; Benjamin D. Cross ..., Journal of the American Chemical Society, 2015

A highly robust immobilized [Cp*IrCl2]2 precatalyst on Wang resin for transfer hydrogenation, which can be recycled up to 30 times, was studied using a novel combination of X-ray absorption spectroscopy (XAS) at Ir L3-edge, Cl K-edge, and K K-edge. These culminate in in situ XAS experiments that ...

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Observational and Modeling Constraints on Global Anthropogenic Enrichment of Mercury

19-Mar-2015 | Helen M. Amos; Jeroen E. Sonke; Daniel Obrist; Nicholas Robins; Nicole Hagan; Hannah M. Horowitz; Robert P. Mason; M ..., Environmental Science & Technology, 2015

Centuries of anthropogenic releases have resulted in a global legacy of mercury (Hg) contamination. Here we use a global model to quantify the impact of uncertainty in Hg atmospheric emissions and cycling on anthropogenic enrichment and discuss implications for future Hg levels. The plausibility ...

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Zooplankton Community Changes Confound the Biodilution Theory of Methylmercury Accumulation in a Recovering Mercury-Contaminated Lake

17-Mar-2015 | Svetoslava Todorova; Charles T. Driscoll; David A. Matthews; Steven W. Effler, Environmental Science & Technology, 2015

In this study, the biodilution hypothesis of methylmercury (MeHg) accumulation was examined in a Hg-contaminated ecosystem that has undergone concurrent changes in nutrient loading and zooplankton community composition. Using a long-term record of 17 years (between 1980 and 2009), we demonstrate ...

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Highly Selective Two-photon Fluorescence Probe for Determination of Mercury Ions

16-Mar-2015 | Fang Liu; Changqin Ding; Ming Jin; Yang Tian, Analyst, 2015

Analyst, 2015, Accepted ManuscriptDOI: 10.1039/C5AN00277J, Paper Fang Liu, Changqin Ding, Ming Jin, Yang TianThis is an Accepted Manuscript, which has been through the RSC Publishing peer review process and has been accepted for publication. Accepted manuscripts are published online shortly ...

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Early history of high‐altitude physiology

11-Mar-2015 | John B. West, Annals of the New York Academy of Sciences, 2015

High‐altitude physiology can be said to have begun in 1644 when Torricelli described the first mercury barometer and wrote the immortal words “We live submerged at the bottom of an ocean of the element air.” Interestingly, the notion of atmospheric pressure had eluded his teacher, the great ...

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An improved dual-stage protocol to pre-concentrate mercury from airborne particles for precise isotopic measurement

11-Mar-2015 | Qiang Huang; Yulong Liu; Jiubin Chen; Xinbin Feng; Weilin Huang; Shengliu Yuan; Hongming Cai; Xuewu Fu, Journal of Analytical Atomic Spectrometry, 2015

Hg isotopic signature may provide insight into tracking the sources and pathways of both airborne particulate matter (PM) and particle-bound Hg (PHg) in the atmosphere. However, separating and concentrating trace level of PHg and accurately analyzing its isotope ratios remain technical challenge. ...

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Sensors, Vol. 15, Pages 5982-6008: Comparison of the Detection Characteristics of Trace Species Using Laser-Induced Breakdown Spectroscopy and Laser Breakdown Time-of-Flight Mass Spectrometry

11-Mar-2015 | Wang, Zhenzhen ; Deguchi, Yoshihiro ; Yan, Junjie ; Liu, Jiping, Sensors, 2015

The rapid and precise element measurement of trace species, such as mercury, iodine, strontium, cesium, etc. is imperative for various applications, especially for industrial needs. The elements mercury and iodine were measured by two detection methods for comparison of the corresponding ...

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Sono-induced cold vapour generation interfaced with capacitively coupled plasma microtorch optical emission spectrometry: analytical characterization and comparison with atomic fluorescence spectrometry

11-Mar-2015 | Tiberiu Frentiu; Sinziana Butaciu; Eugen Darvasi; Michaela Ponta; Marin Senila; Erika Levei; Maria Frentiu, Journal of Analytical Atomic Spectrometry, 2015

Sono-induced cold vapour generation in 0.2 mol L−1 formic acid has been interfaced for the first time with a low power (10 W) and low argon consumption (100 mL min−1) capacitively coupled plasma microtorch for mercury determination by optical emission using a low resolution microspectrometer. The ...

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Analytical strategies of sample preparation for determination of mercury in food matrices - A review

08-Mar-2015 | Author(s): Sergio L.C. Ferreira , Valfredo A. Lemos , Laiana O.B. Silva , Antonio F.S. Queiroz , Anderson S. So ..., Microchemical Journal, 2015

Publication date: Available online 5 March 2015 Source:Microchemical Journal Author(s): Sergio L.C. Ferreira , Valfredo A. Lemos , Laiana O.B. Silva , Antonio F.S. Queiroz , Anderson S. Souza , Erik G.P. da Silva , Walter N.L. dos Santos , Cesário F. das Virgens The present paper ...

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