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  1. Content type: Research Article

    Phosphorus (P) can limit crop production in many soils, and soil testing is used to guide fertilizer recommendations. The Mehlich III (M3) soil test is widely used in North America, followed by colorimetric an...

    Authors: Barbara J. Cade-Menun, Kyle R. Elkin, Corey W. Liu, Ray B. Bryant, Peter J. A. Kleinman and Philip A. Moore Jr.

    Citation: Geochemical Transactions 2018 19:7

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  2. Content type: Research Article

    The coexistence of Cd2+ and Zn2+ ions in nature has a significant influence on their environmental behaviors in soils and bioavailability for plants. While many studies have been done on the mutual toxicity of Cd

    Authors: Tingting Fan, Chengbao Li, Juan Gao, Dongmei Zhou, Marcelo Eduardo Alves and Yujun Wang

    Citation: Geochemical Transactions 2018 19:5

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  3. Content type: Research Article

    Minerals constitute a primary ecosystem control on organic C decomposition in soils, and therefore on greenhouse gas fluxes to the atmosphere. Secondary minerals, in particular, Fe and Al (oxyhydr)oxides—colle...

    Authors: Jason W. Stuckey, Christopher Goodwin, Jian Wang, Louis A. Kaplan, Prian Vidal-Esquivel, Thomas P. Beebe Jr. and Donald L. Sparks

    Citation: Geochemical Transactions 2018 19:6

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  4. Content type: Research Article

    We studied the effects of humic substances (HS) on the sorption of Fe(II) onto Al-oxide and clay sorbents at pH 7.5 with a combination of batch kinetic experiments and synchrotron Fe K-edge EXAFS analyses. Fe(II)...

    Authors: Ying Zhu, Jingjing Liu, Omanjana Goswami, Ashaki A. Rouff and Evert J. Elzinga

    Citation: Geochemical Transactions 2018 19:3

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  5. Content type: Research article

    The upper carbonate member of the Kaibab Formation in northern Arizona (USA) was subaerially exposed during the end Permian and contains fractured and zoned chert rubble lag deposits typical of karst topograph...

    Authors: Ray Kenny

    Citation: Geochemical Transactions 2018 19:2

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  6. Content type: Research Article

    Adsorption and precipitation reactions often dictate the availability of phosphorus in soil environments. Tripolyphosphate (TPP) is considered a form of slow release P fertilizer in P limited soils, however, i...

    Authors: Jordan G. Hamilton, Jay Grosskleg, David Hilger, Kris Bradshaw, Trevor Carlson, Steven D. Siciliano and Derek Peak

    Citation: Geochemical Transactions 2018 19:1

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  7. Content type: Research article

    Iron (Fe) and manganese (Mn) are the two most common redox-active elements in the Earth’s crust and are well known to influence mineral formation and dissolution, trace metal sequestration, and contaminant tra...

    Authors: Michael V. Schaefer, Robert M. Handler and Michelle M. Scherer

    Citation: Geochemical Transactions 2017 18:7

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  8. Content type: Research article

    Humic substances (HS) are redox-active compounds that are ubiquitous in the environment and can serve as electron shuttles during microbial Fe(III) reduction thus reducing a variety of Fe(III) minerals. Howeve...

    Authors: Anneli Sundman, James M. Byrne, Iris Bauer, Nicolas Menguy and Andreas Kappler

    Citation: Geochemical Transactions 2017 18:6

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  9. Content type: Research article

    The western Arctic Shelf has long been considered as an important sink of nitrogen because high primary productivity of the shelf water fuels active denitrification within the sediments, which has been recogni...

    Authors: Jian Zeng, Min Chen, Minfang Zheng, Wangjiang Hu and Yusheng Qiu

    Citation: Geochemical Transactions 2017 18:5

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  10. Content type: Research article

    To identify the causes of salinization and arsenic contamination of surface water on an embanked island (i.e., polder) in the tidal delta plain of SW Bangladesh we collected and analyzed water samples in the d...

    Authors: John C. Ayers, Gregory George, David Fry, Laura Benneyworth, Carol Wilson, Leslie Auerbach, Kushal Roy, Md. Rezaul Karim, Farjana Akter and Steven Goodbred

    Citation: Geochemical Transactions 2017 18:4

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  11. Content type: Research article

    Many important geochemical and biogeochemical reactions occur in the mineral/formation water interface of the highly abundant mineral, goethite [α-Fe(OOH)]. Ab initio molecular dynamics (AIMD) simulations of t...

    Authors: Ying Chen, Eric J. Bylaska and John H. Weare

    Citation: Geochemical Transactions 2017 18:3

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  12. Content type: Research article

    Hydrogen is known to occur in the groundwaters of some ancient cratons. Where associated gases have been dated, their age extends up to a billion years, and the hydrogen is assumed also to be very old. These o...

    Authors: John Parnell and Nigel Blamey

    Citation: Geochemical Transactions 2017 18:2

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  13. Content type: Review

    The participation of sunlight in the natural chemistry of the earth is presented as a unique field of study, from historical observations to prospects for future inquiry. A compilation of known reactions shows...

    Authors: Timothy A. Doane

    Citation: Geochemical Transactions 2017 18:1

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  14. Content type: Research Article

    Natural gas production from the Marcellus Shale formation has significantly changed energy landscape in recent years. Accidental release, including spills, leakage, and seepage of the Marcellus Shale flow back...

    Authors: Zhang Cai and Li Li

    Citation: Geochemical Transactions 2016 17:6

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  15. Content type: Research article

    The effect of simulated solar radiation on the oxidation of arsenite [As(III)] to arsenate [As(V)] on the layered manganese oxide, birnessite, was investigated. Experiments were conducted where birnessite susp...

    Authors: Samantha L. Shumlas, Soujanya Singireddy, Akila C. Thenuwara, Nuwan H. Attanayake, Richard J. Reeder and Daniel R. Strongin

    Citation: Geochemical Transactions 2016 17:5

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  16. Content type: Research article

    High salinity and arsenic (As) concentrations in groundwater are widespread problems in the tidal deltaplain of southwest Bangladesh. To identify the sources of dissolved salts and As, groundwater samples from...

    Authors: John C. Ayers, Steven Goodbred, Gregory George, David Fry, Laura Benneyworth, George Hornberger, Kushal Roy, Md. Rezaul Karim and Farjana Akter

    Citation: Geochemical Transactions 2016 17:4

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  17. Content type: Research article

    The presence of natural and industrial jarosite type-compounds in the environment could have important implications in the mobility of potentially toxic elements such as lead, mercury, arsenic, chromium, among...

    Authors: Iván A. Reyes, Ister Mireles, Francisco Patiño, Thangarasu Pandiyan, Mizraim U. Flores, Elia G. Palacios, Emmanuel J. Gutiérrez and Martín Reyes

    Citation: Geochemical Transactions 2016 17:3

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  18. Content type: Research article

    The interaction between Ca-HAP and Pb2+ solution can result in the formation of a hydroxyapatite–hydroxypyromorphite solid solution [(PbxCa1−x)5(PO4)3(OH)], which can greatly affect the transport and distribution...

    Authors: Yinian Zhu, Bin Huang, Zongqiang Zhu, Huili Liu, Yanhua Huang, Xin Zhao and Meina Liang

    Citation: Geochemical Transactions 2016 17:2

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  19. Content type: Research article

    In soils and sediments, manganese oxides and oxygen usually participate in the oxidation of ferrous ions. There is limited information concerning the interaction process and mechanisms of ferrous ions and mang...

    Authors: Tianyu Gao, Yougang Shen, Zhaoheng Jia, Guohong Qiu, Fan Liu, Yashan Zhang, Xionghan Feng and Chongfa Cai

    Citation: Geochemical Transactions 2015 16:16

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