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"Uptake and incorporation of Al, Cr, V, Zn and Mo in hematite: Competit" by G. Scullett-Dean, J. L. Hamilton et al.

This study investigated multiple (di-, tri- and tetra-)incorporation of selected minor and trace elements (Al3+, Cr3+, V3–5+, Zn2+, Mo6+ and As5+) into hematite. The purpose was to improve understanding of how hematite may control trace element mobility in the environment, and how physical and chemical properties of hematite are impacted by multi-element incorporation at x/Fe molar ratios of up to 10%. Simultaneous structural incorporation of Al±Cr±V±Zn into hematite was achieved, with both synergistic and antagonistic effects occurring between certain element combinations. Cr+Al had synergistic effects on their co-incorporation, while V negatively affected Al incorporation, and both V and Zn negatively affected Cr incorporation. In contrast, Mo was minimally associated with hematite, and As prevented hematite formation completely. X-ray diffraction indicated contraction and expansion of the hematite unit-cell upon substitution was related to the ionic radius of the substituting e ....

Iron Oxides ,

Iron-chromium flow battery for renewables storage

Researchers in China have successfully prepared cobalt oxide-modified graphite felt as an electrode material for an iron-chromium flow battery. The electrode performance significantly improved due to the ....

Dennis Riedl ,

This Mac-Only Web Browser Turns the Internet Into Slack

Workspace-style UI and Chrome extensions support.what's not to like? ....

Mac Only Web Browser Turns , Internet Into Slack , Microsoft Teams , Whitening Powerhouse Pen , Apple Silicon Macs , Chrome Os , Cloud Clients , Google Chrome , Portable Software , Web Browsers ,

California Seeks to Ban Toxic Chemical That Makes Cars Shine Due to Environmental, Health Risk

California can potentially be the first local government to ban hexavalent chromium out of the chrome plating industry. Click to read more. ....

United States , Los Angeles , Bryan Leiker , Los Angeles Times , Occupational Safety Health Administration , National Institutes Of Health , La Times , Environmental Science Technology , United States Department Of Labor , Power Small Electronics , Golden State , National Institutes , Getty Images , Think Blue Factory , Occupational Safety , Health Administration , United States Department , Carbon Dioxide Can Be Recycled , Useful Chemicals , Fuels Using Solar Powered Synthesis , California Air Resources Board , Metal Finishing , Environmental Science , Sun Loving Bacteria Grow , Empower Small , Hexavalent Chromium ,

China-Zimbabwe trade surges nearly 30 pct in 2022

Trade between Zimbabwe and China surged 29.2 percent year-on-year to a record high of 2.43 billion U ....

Chinese Embassy , United States Dollar , Thursday Band ,