Selenium. Nutrient or Toxicant. Periodic Table of the Elements. Chemistry of selenium. Group VIB metalloid; Commonly occurs with and replaces sulfur.
Selenium sulfide is a selenium salt that exists as a yellow-orange to bright-orange tablet or powder at room temperature. It is insolu-ble in water or ether and soluble in carbon disulfide. Selenium sul-fide has a molecular weight of 111.0 and a specific gravity of 3.056
Selenium DeanA. Martens UnitedStates DepartmentofAgriculture(USDA), Tucson, Arizona, U.S.A. Dor/ INTRODUCTION Selenium (Se) is an essential nutritional element, but
Selenium (January 1st, 2012 - August 1st, 2012) 69 assay reports were obtained for Selenium for this reporting period. -Of these samples, 4 violations occurred (violation rate 6%).
Trace Elements: Selenium Selenium is a trace mineral essential to good health. The major dietary source of selenium is plant foods. Selenium concentrations in plants
146 SELENIUM (Data in metric tons of selenium content, unless otherwise noted) Domestic Production and Use: Primary selenium was recovered from anode slimes generated in the electrolytic
Selenium References Birds: Baron, L.A., T.L. Ashwood, B.E. Sample and C. Welsh. 1997. Monitoring bioaccumulation of contaminants in the belted kingfisher (Ceryle alcyon).
Selenium Risk Assessments Selenium is often a constituent of interest in various mining regions of the United States and Canada. Windward staff have
Selenium status of exclusively breast-fed infants as influenced by maternal organic or inorganic selenium supplementation. Am J Clin Nutr 42:829-835. Lacourciere GM, Stadtman TC. 1998. The NIFS protein can function as a selenide
Selenium i About the Tutorial Selenium is an open-source tool that is used for test automation. It is licensed under Apache License 2.0. Selenium is a suite of tools ...