United Mineral & Chemical has appointed GRUCO, Florence, KY, sales agent in Ohio, Kentucky, West Virginia, southern Indiana, and western Pennsylvania.

United Mineral & Chemical Corp., Lyndhurst, NJ, has appointed GRUCO, Florence, KY, sales agent in Ohio, Kentucky, West Virginia, southern Indiana, and western Pennsylvania. United Mineral & Chemical is an importer and distributor of chemical raw materials; cadmium, organic, fluorescent and phosphorescent pigments; specialty pigments; and high-purity metals.