Controlled Testing with B&W Film Hydrogen Sulfide Detectors
Above infographic describes procedure for controlled testing of Hydrogen Sulfide Detectors created using this method
Sensors were created from Ilford Multigrade IV RC Deluxe MGD.1M B&W Paper which was treated minimally with glycerine ($1),Kodak Photoflo 200 (16oz $8), and water (value not quantified).
Test environment is kept at room temperature (70 degrees +/-5) in my apartment in Providence, Rhode Island.
Results to be posted in following weeks.