Currently in the early stages of development, research notes can be found at the links below. There are two different tracks, one utilizing an industrial sensor with an arduino board and the other utilizing photographic paper with silver halide based on research done on H2S at volcanoes.
Framing the Problem
Basic Information on Hydrogen Sulfide
[Hydrogen Sulfide Monitoring in Gas Patch: Background]9http://publiclaboratory.org/notes/sara/9-11-2011/hydrogen-sulfide-monitoring-gas-patch-background)
Hydrogen Sulfide: Information on the Gas
Conversion from µg/m3 to ppm hydrogen sulfide
Arduino and Industrial H2S Sensor
Prototype H2S Sensor
Temperature and Humidity Sensors to Correct H2S
Arduino + Figaro Hydrogen Sulfide Sensor
[Arduino Patch for Detecting Hydrogen] Sulfide(http://publiclaboratory.org/notes/bha/9-11-2011/arduino-patch-detecting-hydrogen-sulfide)
Hydrogen Sulfide Detection for Fart Detector
Photographic Paper for H2S Sensing
Hydrogen Sulfide Testing with Black and White Film
Hydrogen Sulfide Dosimeter
Hydrogen Sulfide Tarnishing Silver
This project is partially funded by a grant from the American Anthropology Association, Anthropology and Environment section