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Geochemistry of Sulfur

Dr Greg Druschel, Dr Alexey Kamyshny

  1. Research article

    Chronoamperometric study of elemental sulphur (S) nanoparticles (NPs) in NaCl water solution: new methodology for S NPs sizing and detection

    Elemental sulfur (S) persists in natural aquatic environment in a variety of forms with different size distributions from dissolved to particulate. Determination of S speciation mainly consists of the applicat...

    Elvira Bura-Nakić, Marija Marguš, Darija Jurašin, Ivana Milanović and Irena Ciglenečki-Jušić

    Geochemical Transactions 2015 16:1

    Published on: 12 February 2015

  2. Research article

    Activity of zero-valent sulfur in sulfidic natural waters

    Ionic and molecular carriers of dissolved (filter-passing) zero-valent sulfur (S0) in anaerobic natural waters include polysulfides, Sn2−, molecular S8(aq), organic macromolecules and certain higher valent thioan...

    George R Helz

    Geochemical Transactions 2014 15:13

    Published on: 19 August 2014

  3. Research article

    Sulfur and oxygen isotope insights into sulfur cycling in shallow-sea hydrothermal vents, Milos, Greece

    Shallow-sea (5 m depth) hydrothermal venting off Milos Island provides an ideal opportunity to target transitions between igneous abiogenic sulfide inputs and biogenic sulfide production during microbial sulfa...

    William P Gilhooly, David A Fike, Gregory K Druschel, Fotios-Christos A Kafantaris, Roy E Price and Jan P Amend

    Geochemical Transactions 2014 15:12

    Published on: 12 August 2014

  4. Methodology

    An improved pyrite pretreatment protocol for kinetic and isotopic studies

    Pyrite is one of the most abundant and widespread of the sulfide minerals with a central role in biogeochemical cycles of iron and sulfur. Due to its diverse roles in the natural and anthropogenic sulfur cycle...

    Natella Mirzoyan, Alexey Kamyshny and Itay Halevy

    Geochemical Transactions 2014 15:10

    Published on: 12 August 2014

  5. Research article

    Elemental sulfur coarsening kinetics

    Elemental sulfur exists is a variety of forms in natural systems, from dissolved forms (noted as S8(diss) or in water as S8(aq)) to bulk elemental sulfur (most stable as α-S8). Elemental sulfur can form via sever...

    Angel A Garcia and Gregory K Druschel

    Geochemical Transactions 2014 15:11

    Published on: 6 August 2014

  6. Research article

    Multiple sulfur isotopes fractionations associated with abiotic sulfur transformations in Yellowstone National Park geothermal springs

    The paper presents a quantification of main (hydrogen sulfide and sulfate), as well as of intermediate sulfur species (zero-valent sulfur (ZVS), thiosulfate, sulfite, thiocyanate) in the Yellowstone National P...

    Alexey Kamyshny Jr, Gregory Druschel, Zahra F Mansaray and James Farquhar

    Geochemical Transactions 2014 15:7

    Published on: 28 May 2014

  7. Research article

    Stable isotope evidence for the Bottom Convective Layer homogeneity in the Black Sea

    The Black Sea is the largest euxinic basin on the Earth. The anoxic zone consists of the upper part water mass stratified by density, and the lower water mass homogenized relative to density (depth >1750 m), n...

    Alexander V Dubinin, Elena O Dubinina, Tatyana P Demidova, Nataliya M Kokryatskaya, Maria N Rimskaya-Korsakova, Sofia A Kosova and Evgeniy V Yakushev

    Geochemical Transactions 2014 15:3

    Published on: 17 April 2014