Arsenate
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The arsenate is an ion with the chemical formula AsO3−4. Bonding in arsenate consists of a central arsenic atom, with oxidation state +5, double bonded to one oxygen atom and single bonded to a furthe
Adamite, a naturally occurring arsenate mineral.
Pourbaix diagram showing the distribution of arsenate and arsenite species in water. Oxygenated waters have a high pe value and arsenate species dominate. In deoxygenated water, with low pe, arsenite species dominate.
GFAJ-1
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GFAJ-1 is a strain of rod-shaped bacteria in the family Halomonadaceae. It is an extremophile that was isolated from the hypersaline and alkaline Mono Lake in eastern California by geobiologist Felisa
Wolfe-Simon at Mono Lake, 2010
Tufa formations along the shore of Mono Lake
Scanning electron micrograph of GFAJ-1 cells grown in defined minimal medium supplemented with 1.5 mM phosphate