The primary sources of selenium in the environment are geologic and industrial. Selenium closely resembles sulfur chemically, and sulfur or sul­fide deposits of bismuth, copper, iron, lead, mercury, silver, and zinc ...

Hexachlorobenzene is a commercially produced chemical of high annual tonnage production used as a feedstock for many chemical manufacturing processes. It is a chemical listed by the U.S., Environmental Protection Agency ...

Antimony (III) chloride is very soluble in water. The Merck Index (9th ed.) reports a solubility of 1 g SbC13 per 10.1 mL of water. This solution undergoes gradual hydrolysis to antimony oxychloride (SbOCl), which is ...