Results 51 to 60 of about 130 (115)

A study of the preparation and reactions of some organic sulphides, with special reference to the conversion of dithiocarbalkyl disulphides into the corresponding monosulphides.

, 1928
The object of the present investigation was, in part, to find more satisfactory methods for the preparation of organic disulphides, in particular for the preparation of the acid disulphides derived from the alkyl esters of di thio carbonic acid.
Cambron, Adrien.
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Biomineralisation and geochemistry of hydrothermal vent fauna

, 2002
Hydrothermal ventfauna, particularly vestimentiferan and polychaete worm tubes, are occasionally preserved in the geological record. The early stages of mineralisation are particularly important in defining whether or not preservation will occur, and ...
Maginn, Ellis
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Sulfidjord – Metod för hållbar hantering av uppschaktad sulfidjord : Redoxprocesser och försurningshastighet

, 2016
Earthworks in sulphide soil areas almost invariably leads to more expensive project costs. A key factor is that almost all sulphide soil is classed as potentially acidifying which has halted the progress of developing alternative management methods for ...
Pettersson, Johannes
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The Absorption Spectra of the Monosulphides of Alkaline Earth Elements and Their Latent Heats of Vaporization

, 2006
L. S. Mathur
core   +1 more source

An investigation of the geochemistry and petrology of canal sediments

Canals are artificial waterways, which are distinct from natural aquatic systems. As a result of their industrial heritage they have experienced high loadings of anthropogenic material, and consequently their sediments tend to have a bulk composition ...
Dodd, Juliet S.
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Mechanism of chalcopyrite formation from iron monosulphides in aqueous solutions (< 100°C, pH 2-4.5)

Cowper, M., Rickard, D.
core   +1 more source

Study of transition-metal monosulphides by photoelectron spectroscopy

Journal of Physics C: Solid State Physics, 1979
Monosulphides of the first-row transition metals have been studied by X-ray and UV photoelectron spectroscopy. Systematics in the valence bands as well as metal and sulphur core levels across the series have been discussed. Exchange splittings and spin-orbit splittings in these compounds have been examined. CuS is found to show features of both S2- and
J Gopalakrishnan, M S Hegde, C N R Rao
exaly   +4 more sources

The reaction of copper(II) halides and tetraalkylthiuram monosulphides

Polyhedron, 1995
Abstract Tetraalkylthiuram monosulphides reacted with copper(II) chloride and bromide to yield 3,5-bis( N,N -dialkylimonium)-1,2,4-trithiolane trihalocuprate(I) and a neutral halogenobis-( N,N -dialkylthiocarbamoyl)sulphidocopper(l). The products were characterized by elemental analyses, IR spectroscopy and magnetic susceptibility measurements.
Luis I Victoriano, Hernán Cortes
exaly   +3 more sources

The crystal structure of the anhydrous alkali monosulphides. I

Recueil Des Travaux Chimiques Des Pays-Bas, 1925
A Claassen
exaly   +3 more sources

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Thermodynamics of the semiconductor–metal transition in the lanthanide monosulphides

Journal of the Chemical Society Dalton Transactions, 1982
A simple principle of lanthanide thermochemistry is used to estimate the standard free energy change for the semiconductor–metal transition in the lanthanide monosulphides at 298.15 K. The results are in satisfactory agreement with the distribution of semiconducting and metallic monosulphides within the lanthanide series, and with the observed ...
exaly   +2 more sources