The term "arsenic" is derived from the Persian word "zarnikh" meaning "yellow orpiment" (As2S 3) (Rensing and Rosen 2009). Arsenic (As) is a metalloid (Table 1) and has a single naturally occurring isotope As75 (Rensing and Rosen 2009). It occurs in four primary oxidation states, viz., arsenate [As(V)], arsenite [As(III)], elemental arsenic [As(0)], and arsenide [As(-III)]. Arsenic compounds have no known biological roles. Formerly, As found applications in medicine in ancient civilizations (Datta et al. 1979). It has also been used in the cosmetic and agriculture industries (insecticide, desiccant, rodenticide, and herbicide). However, in recent times, the element has acquired notoriety for its toxicity to humans. The Agency for Toxic Substances and Disease Registry (ATSDR) has included arsenic in the list of "20 most hazardous substances" (Rensing and Rosen 2009). © 2013 Springer Science+Business Media New York.
CITATION STYLE
Dhuldhaj, U. P., Yadav, I. C., Singh, S., & Sharma, N. K. (2013). Microbial interactions in the arsenic cycle: Adoptive strategies and applications in environmental management. Reviews of Environmental Contamination and Toxicology, 224, 1–28. https://doi.org/10.1007/978-1-4614-5882-1_1
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