Additional threats to employees are posed by. the ease with which many corrosive chemicals ignite, explode or react with incompatible substances. In North Carolina, the N.C. Department of Labor enforces the federal Occupational Safety and Health Act through a. state plan approved by the U.S. Department of Labor.
Calcium sulfate (or calcium sulphate) is a common laboratory and industrial chemical. In the form of Î³- anhydrite (the nearly anhydrous form), it is used as a desiccant. It is also used as a coagulant in products like tofu. In the natural state, unrefined calcium sulfate is a translucent, crystalline white rock.
The form in which. the calcium sulfate crystallizes (i.e., type of process) depends on the reaction temperature and on the acid. concentration in the reaction system itself. At a temperature range of 70â80Â°C and moderate acid. concentrations, the calcium sulfate crystallizes in the gypsum (di-hydrate: CaSO.