Nickel or nickel sulfate hexahydrate is a common allergen that causes contact dermatitis in sensitized individuals. Nickel is a chemical that is widely used in utensils, jewelry, coins ...

A Praying Mantis™ diffuse reflectance accessory with its High Temperature Reaction Chamber was used to make measurements (Figure 1). The K-type thermocouple and heater from the reaction chamber were ...

nickel. Most alloys and salts contain both these metals, their separation being too costly to be feasible. Cobalt is usually used and known as cobalt(II) dichloride hexahydrate or cobalt blue.