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1,383 Newest Publications about the topic mercury

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New mercury-contained cationic frameworks stabilized by (GaCl4)− unit via weak electrostatic forces in supramolecular compounds (Hg11P4)(GaCl4)4 and (Hg3AsS)(GaCl4)

18-09-2013 | Xiao-Ming Jiang; Xiao-Guo Li; Yu-Hang Fan; Bin-Wen Liu; Hui-Yi Zeng; Guo-Cong Guo, Dalton Transactions, 2013

Two new inorganic supramolecular compounds, (Hg11P4)(GaCl4)4 (1) and (Hg3AsS)(GaCl4) (2), have been prepared by the solid-state reactions. Their structures are characterized by mercury-containing cationic hosts and discrete (GaCl4)− guests, which is a derivative of a very strong Lewis acid. The ...

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Using Thermal Analysis Coupled to Isotope Dilution Cold Vapor ICP-MS in the Quantification of Atmospheric Particulate Phase Mercury

17-09-2013 | Mary Lynam; Bjoern lynam@umich.edu Klaue; Gerry Keeler; Joel D. Blum, Journal of Analytical Atomic Spectrometry, 2013

An analytical method combining thermal analysis with isotope dilution cold vapor inductively coupled plasma mass spectrometry, ID-CV-ICP-MS, was developed to study mercury in particulate matter samples collected in urban Detroit, MI. We used this method to quantify mercury in NIST 1633b “mercury ...

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Revisit of a dipropargyl rhodamine probe reveals its alternative ion sensibility in both a solution and live cells

17-09-2013 | Kaibin Li; Xiao-Li Wei; Yi Zang; Xiao-Peng He; Guo-Rong Chen; J. Li; Kaixian Chen, Analyst, 2013

This study reveals that a dipropargyl rhodamine B derivative previously described as a reaction-based irreversible palladium probe responds, however, more sensitively to mercury with a reversible “turn-on” fluorescence. The probe also shows a much better imaging ability for mercury than for ...

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Structural Change of Human Hair Induced by Mercury Exposure

13-09-2013 | Xueqing Xing; Rong Du; Yufeng Li; Bai Li; Quan Cai; Guang Mo; Yu Gong; Zhongjun Chen; Zhonghua Wu, Environmental Science & Technology, 2013

Mercury is one of the most hazardous pollutants in the environment. In this paper, the structural change of human hair induced by mercury exposure was studied. Human hair samples were, respectively, collected from the normal Beijing area and the Hg-contaminated Wanshan area of the Guizhou ...

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Integrated Lab-in-Syringe Platform Incorporating a Membraneless Gas–Liquid Separator for Automatic Cold Vapor Atomic Absorption Spectrometry

12-09-2013 | Georgia Giakisikli; Manuel Miró; Aristidis Anthemidis, Analytical Chemistry, 2013

This manuscript reports the proof-of-concept of a novel integrated lab-in-syringe/gas–liquid separation (LIS/GLS) batch-flow system based on a programmable flow for automatic cold vapor atomic absorption spectrometric assays. Homogeneous mixing of metered volumes of sample and reagent solutions ...

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Relativistic Effects on Acidities and Basicities of Brønsted Acids and Bases Containing Gold

11-09-2013 | Peeter Burk; Ilmar A Koppel; Ivar Koppel; Kalev Kasemets, Physical Chemistry Chemical Physics, 2013

It is usually believed that relativistic effects as described by Dirac-Schrödinger equation (relative to the classical or time-independent Schrödinger equation) are of little importance in chemistry. Closer look, however, reveals that some important and widely known properties (e.g., gold is ...

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Effective binuclear Pd(II) complexes for Suzuki reactions in water

10-09-2013 | Murat Emre Hanhan, Cemil Cetinkaya, Michael P. Shaver, Applied Organometallic Chemistry, 2013

A series of new ionic binuclear Pd(II) complexes supported by water‐soluble bis(α‐diimine) ligands were prepared and employed as catalysts for the palladium‐catalyzed Suzuki reaction in aqueous media. The binuclear nature of the complexes increased the reaction rate, while electronic and steric ...

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Mercury Reduction and Cell-Surface Adsorption by Geobacter sulfurreducens PCA

10-09-2013 | Haiyan Hu; Hui Lin; Wang Zheng; Balaji Rao; Xinbin Feng; Liyuan Liang; Dwayne A. Elias; Baohua Gu, Environmental Science & Technology, 2013

Both reduction and surface adsorption of mercuric mercury [Hg(II)] are found to occur simultaneously on G. sulfurreducens PCA cells under dark, anaerobic conditions. Reduction of Hg(II) to elemental Hg(0) initially follows a pseudo-first order kinetics with a half-life ...

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Aqueous Solvation of Hg(OH)2: Energetic and Dynamical Density Functional Theory Studies of the Hg(OH)2–(H2O)n (n = 1–24) Structures

10-09-2013 | J. I. Amaro-Estrada; L. Maron; A. Ramírez-Solís, Journal of Physical Chemistry A, 2013

A systematic study of the hydration of Hg(OH)2 by the stepwise solvation approach is reported. The optimized structures, solvation energies, and incremental free energies of 1–24 water molecules interacting with the solute have been computed at the B3PW91 level using 6-31G(d,p) basis sets for the ...

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Sensors, Vol. 13, Pages 12070-12092: Strontium-Doped Hematite as a Possible Humidity Sensing Material for Soil Water Content Determination

10-09-2013 | Tulliani, Jean-Marc ; Baroni, Chiara ; Zavattaro, Laura ; Grignani, Carlo, Sensors, 2013

The aim of this work is to study the sensing behavior of Sr-doped hematite for soil water content measurement. The material was prepared by solid state reaction from commercial hematite and strontium carbonate heat treated at 900 °C. X-Ray diffraction, scanning electron microscopy and mercury ...

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