×

Ammonia detection device and related methods

  • US 20080041136A1
  • Filed: 01/25/2007
  • Published: 02/21/2008
  • Est. Priority Date: 01/25/2006
  • Status: Abandoned Application
First Claim
Patent Images

1. A reusable device for continuously monitoring the gaseous ammonia (NH3) concentration in a surrounding environment comprising:

  • a first layer comprising a sensor membrane with a indicator dye immobilized therein, wherein the indicator dye changes color corresponding to the gaseous ammonia concentration; and

    a second layer comprising a hydrophobic filter membrane permeable to gaseous ammonia such that gaseous ammonia can diffuse therethrough and contact the sensor membrane, the reusable device being immersible in an aqueous environment and reusable.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×