Grey arsenic is the usual stable form with a melting point of 817 degree Celsius. It is a very brittle semi-metallic solid, steel grey in colour that tarnishes readily in air. It's rapidly oxidized to ...

The US Food and Drug Administration announced Tuesday that it will examine the potential harm to women of heavy metals such ...

Long term exposure to arsenic in water may increase cardiovascular disease and especially heart disease risk even at exposure levels below the federal regulatory limit (10µg/L) according to a ...