16 Result(s)
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M. N. Rimskaya-Korsakova
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Article
Vertical Distribution of Thiosulfate and Sulfite in the Black Sea
Data on the vertical distribution of thiosulfate and sulfite by derivatization with monobromobimane in the water column of the Black Sea were obtained for the first time. Thiosulfate and sulfite appeared in de...
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Article
Distribution and Variations of Elemental Sulfur in the Upper Part of the Black Sea Anoxic Water Column
Elemental sulfur and its derivatives, polysulfides, play a key role in hydrogen sulfide oxidation processes in anoxic basins. Having low solubility, elemental sulfur is mainly represented by suspended forms. H...
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Article
Open AccessErratum to: Elemental Sulfur and Its Isotopic Composition in the Black Sea Water
An Erratum to this paper has been published: https://doi.org/10.1134/S1028334X23070176
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Article
Open AccessElemental Sulfur and Its Isotopic Composition in the Black Sea Water
As one of the main intermediate products of hydrogen sulfide oxidation, elemental sulfur plays an important indicator role in understanding the oxidative cycle of sulfur in the water of anoxic basins. The dist...
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Article
Thiosulfate in the Upper Part of the Anoxic Water Column in the Black Sea
Thiosulfate is a sulfur species in an intermediate oxidation state between sulfate and sulfide. It appears during bacterial and chemical sulfide oxidation processes. Thiosulfate plays a prominent role in sulfi...
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Article
Open AccessFirst Experience of Kee** Pogonophorans (Annelida: Siboglinidae) in Laboratory Conditions
The article describes the parameters of maintaining the gutless symbiotrophic annelid Siboglinum fiordicum in laboratory conditions outside the marine environment for 64 days.
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Article
Comparative Characteristics of Fe-Mn Crusts from the Arctic and Atlantic Oceans
Ferromanganese (Fe-Mn) crusts in the ocean accumulate significant amounts of strategically important elements necessary for the development of high technologies. The recent study of Fe-Mn crusts shows that the...
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Article
Nd and Sr Isotope Composition in the Tooth Enamel from Fe–Mn Nodules of the Cape Basin (Atlantic Ocean): Age and Sources
Abstract—The Nd and Sr isotope compositions were determined for the first time in biogenic apatite sampled throughout the tooth section (from the base to tip) of predatory fish in the nucleus of Fe–Mn nodules fro...
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Article
Ferromanganese Crusts in the South Atlantic Ocean: Compositional Evolution and Specific Features of Ore Formation
Abstract—Layer-by-layer chemical and mineralogical analysis was carried out to consider the evolution of the Fe–Mn crusts in different tectonic settings in the South Atlantic Ocean. The ferromanganese crust in th...
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Article
Analysis of molybdenum, tungsten, and vanadium in surface water of the Atlantic Ocean using solid phase extraction with 8-hydroxyquinoline and ICP MS determination
An analytical technique is proposed to determine ultratrace concentrations of Mo, V, and W found in seawater using mass spectrometry with inductively coupled plasma (ICP MS) after preliminary concentration by ...
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Article
Rare elements and Nd and Sr isotopic composition in micronodules from the Brazil Basin, Atlantic Ocean
The Sr isotope stratigraphy of the biogenic apatite was used to determine the age of pelagic sediments in the Brazil Basin (Station 1541) that contain ferromanganese micronodules, nodules, and coatings on the ...
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Article
Geochemistry of trace and minor elements in sediments and manganese micronodules from the Angola Basin
Indicator role of trace elements in sedimentation and ore formation is considered for sediments from Station 2182 in the Angola Basin. It is shown that pelagic sediments were formed from two main sources: biog...
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Article
Determination of the reduced sulfur species in the anoxic zone of the Black Sea: A comparison of the spectrophotometry and iodometry techniques
The report presents the results of the studies of the reduced sulfur species in the water of the anoxic zone of the Black Sea. The content of hydrogen sulfide was determined by means of spectrophotometry using...
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Article
Geochemistry of rare earth elements in bottom sediments of the Brazil Basin, Atlantic Ocean
The sedimentation and ore formation were studied in sediments from nine stations located in the 24°W profile in the Brazil Basin of the Atlantic Ocean. The sediments are represented by mio- and hemipelagic mud...
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Article
Chemical and isotopic uniformity of the bottom convective water layer in the Black Sea
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Article
Determination of Rare-Earth Elements in Sulfide Minerals by Inductively Coupled Plasma Mass Spectrometry with Ion-Exchange Preconcentration
A procedure was developed for determining ultratrace rare-earth elements in sulfide minerals by inductively coupled plasma mass spectrometry with ion-exchange preconcentration. The concentration factor was 200...
