Patents Assigned to Lamotte Company
  • Method and device for determining monopersulfate
    Patent number: 6255117
    Abstract: A test method and device are described for quantitatively determining the presence and concentration of monopersulfate ion in aqueous solution. Contacting the aqueous solution containing monopersulfate ion with a test strip in accordance with the invention produces a color change in proportion to the concentration of the ion. The invention has particular utility in maintaining the proper level of sanitizers in swimming pool water.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: July 3, 2001
    Assignee: Lamotte Company
    Inventor: Lydia Johnson