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3,114 Newest Publications about the topic sulfur

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Limiting Partition Coefficients of Sulfur-Containing Aromatics in a Biphasic [bmim][MeSO4]−Supercritical CO2 System

09-Feb-2011 | Josef Planeta; Lenka Št'avíková; Pavel Karásek; Michal Roth, Journal of Chemical & Engineering Data, 2011

Infinite dilution (limiting) partition coefficients of several sulfur-containing aromatics (benzo[b]thiophene, benzothiazole, dibenzothiophene, 4,6-dimethyldibenzothiophene, phenoxathiin, and thianthrene) in a biphasic (1-n-butyl-3-methylimidazolium methyl sulfate ([bmim][MeSO4]) + carbon ...

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Bacterial transport of sulfate, molybdate, and related oxyanions

08-Feb-2011 | Esther Aguilar-Barajas, César Díaz-Pérez, Martha I. Ramírez-Díaz, Héctor Riveros-Rosas, Carlos Cervantes, BioMetals, 2011

Sulfur is an essential element for microorganisms and it can be obtained from varied compounds, sulfate being the preferred source. The first step for sulfate assimilation, sulfate uptake, has been studied in several bacterial species. This article reviews the properties of different bacterial ...

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ChemInform Abstract: Formation of Unusual Seven‐Membered Heterocycles Incorporating Nitrogen and Sulfur by Intramolecular Conjugate Displacement.

08-Feb-2011 | Chen, Zhenhua; Clive, Derrick L. J., ChemInform, 2011

Abstract Additionally, synthesis of an azepine derivative is described.

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In situ cleavage and coupling of sulfur-carbon (sp2) bond towards a two-dimensional mesh construction

07-Feb-2011 | Ning, Yuan , Tianlu, Sheng , Chongbin, Tian , Shengmin, Hu , Ruibiao, Fu , ..., Inorganic Chemistry Communications, 2011

A novel coordination polymer [Ni(mdn)(H2O)2] (mdn=6,6’-mercaptodinicotinate) (1) has been prepared, and characterized by single-crystal X-ray diffraction along with powder XRD, Infrared spectrum, elemental analysis and magnetic analysis. Complex 1 displays an interesting two-dimensional wave-like ...

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Comparative Studies on the Reactions of Acetyl and Thioacetyl Halides with NH3 in the Gas Phase and in Aqueous Solution: A Theoretical Study

07-Feb-2011 | In Suk Han; Chang Kon Kim; Chang Kook Sohn; Eun Kyung Ma; Hai Whang Lee; Chan Kyung Kim, Journal of Physical Chemistry A, 2011

The reactions of acetyl halides, CH3C(═O)X and corresponding sulfur analogues, thioacetyl halides, CH3C(=S)X, where X = F and Cl, with NH3 nucleophile were studied theoretically, at the QCISD level of theory, in the gas phase and in aqueous solution. All reactions occurred via the tetrahedral ...

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Molecules, Vol. 16, Pages 1409-1417: Enhancement of Copper Availability and Microbial Community Changes in Rice Rhizospheres Affected by Sulfur

07-Feb-2011 | Shi, Ji-Yan ; Lin, Hui-Rong ; Yuan, Xiao-Feng ; Chen, Xin-Cai ; Shen, Chao-Feng ; Chen, Ying-Xu, Molecules, 2011

The role of sulfur on the availability of Cu and the bacterial community in rice rhizospheres was investigated by pot experiments. With sulfur addition, pH in rhizosphere soil decreased and Mg(NO3)2 extractable Cu increased significantly. The bacterial community composition also changed with ...

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K3VO2(SO4)2: Formation conditions, crystal structure, and physicochemical properties

05-Feb-2011 | V. N. Krasil’nikov, A. P. Tyutyunnik, V. G. Zubkov, I. F. Berger, L. A. Perelyaeva, I. V. Baklanova, Russian Journal of Inorganic Chemistry, 2011

Potassium oxosulfatovanadate(V) K3VO2(SO4)2 has been obtained by solid-phase synthesis from K2SO4, K2S2O7, and V2O5 (2: 1: 1), and its formation conditions, crystal structure, and physiochemical properties have been studied. The conversions of K3VO2(SO4)2 in contact with potassium vanadates and ...

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Phase equilibria in quasi-binary sections of the Tl-Sn-S system

05-Feb-2011 | T. A. Malakhovskaya-Rosokha, M. Yu. Sabov, I. E. Barchii, E. Yu. Peresh, Russian Journal of Inorganic Chemistry, 2011

Phase equilibria in quasi-binary sections of the Tl-Sn-S system: (I) Tl4SnS4-SnS, (II) Tl2SnS3-SnS, (III) S-Tl4SnS4, (IV) S-Tl2SnS3, (V) Tl-SnS, and (VI) Tl2S-SnS were studied by differential thermal analysis and X-ray powder diffraction. It was found that systems I and II are characterized by ...

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Reduced sulfur accumulation in salinised sediments

05-Feb-2011 | Kerry L. Whitworth; Darren S. Baldwin;, Environmental Chemistry, 2011

Kerry L. Whitworth, Darren S. Baldwin - Volume 8(2)

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Laser photodeposition of sulfur and room-temperature solid-state reaction with copper

04-Feb-2011 | J., Pola , M., Urbanová , D., Pokorná , Z., Bastl , S., Bakardjieva , ..., Journal of Photochemistry and Photobiology A: Chemistry, 2011

Ultraviolet laser photolysis of thiirane (C4H2S) allows chemical vapor deposition of sulfur-containing solid which undergoes room-temperature reaction with copper and yields sub−μm-sized amorphous filamentary CuS/Cu2S/C/H structures incorporating CuS and Cu2S nanograins. Properties of these ...

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