This handbook is offered as a service to users of sulfuric acid. It provides, in easy-to-follow form, comprehensive data on the properties and handling of this important chemical. Its uses as a raw material or a processing agent are so numerous today in all branches of industry that it has been called “the universal chemical” and “the chemical that makes chemicals.” Our broad experience in sulfuric acid technology and our years of assistance to diversified customers have guided the selection and presentation of the information included in these pages.