Sigma Scientific Glass Pvt. Ltd offers HCL Gas Generator through Sulphuric Acid Route. Sigma Scientific Glass Pvt. Ltd is an ISO 9001:2000 certified company. HCL Gas Generator through Sulphuric Acid Route is used in chemical, pharmaceutical, dyes and allied industries. Commercial hydrochloric acid is as 30% aqueous solution and it is widely used in industries in large quantities. But for certain applications e.G. In bulk drug/ pharmaceutical industry, HCL gas is required in anhydrous state for critical reactions where moisture cannot be tolerated. Such users generate anhydrous HCL from commercial grade for captive consumption.