US Patent Issued to HACH on Sept. 16 for "Derived alkalinity" (Colorado Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,598, issued on Sept. 16, was assigned to HACH COMPANY (Loveland, Colo.).

"Derived alkalinity" was invented by Vishnu Vardhanan Rajasekharan (Fort Collins, Colo.) and Cary Burton Jackson (Fort Collins, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment provides a method for deriving an alkalinity measurement, including: introducing a fluid sample; measuring, a phosphate amount of the fluid sample using a colorimetric reagent; measuring a pH of the fluid sample, wherein the pH of the fluid sample correlates to a hydroxide amount of the fluid sample; introducing an acid to convert all the inorganic carbon to carbon dioxide; applying a ...