Arkray Barium Chloride (10%) is a laboratory chemical reagent consisting of a 10% (w/v) solution of barium chloride (BaCl₂) dissolved in distilled water. It is a clear, colorless, and odorless liquid that is primarily used for in vitro analytical procedures in laboratories. Its main applications include the detection of sulfate ions by forming an insoluble barium sulfate precipitate, in bile pigment determination for routine urine analysis, and for other chemical analyses and titrations.