Title:
【発明の名称】水流体中の重合ビグアニド類の定量法及びそのための装置
Document Type and Number:
Japanese Patent JPH08509813
Kind Code:
A
Abstract:
A test method and device is described for determining biguanides in aqueous fluids such as swimming pool water which involve contacting the fluid with a matrix incorporating a pH sensitive indicator material which exhibits the biguanide error effect. A buffer is advantageously used to maintain the test system within a defined constant pH range to eliminate the effect of pH changes on the test system.
Inventors:
Break, kenneth allen
Rupee, Chosey Orvis
Terry, Carol Ann
Rupee, Chosey Orvis
Terry, Carol Ann
Application Number:
JP52434994A
Publication Date:
October 15, 1996
Filing Date:
April 18, 1994
Export Citation:
Assignee:
Environmental Test Systems Incorporated
International Classes:
G01N21/78; G01N31/22; G01N31/00; (IPC1-7): G01N31/00; G01N21/78; G01N31/22
Attorney, Agent or Firm:
Hajime Tsukuni (2 outside)