Prediction made for spacecraft using tested materials. Physical Model Chemical Model Test Objectives Determine the reaction rate as a function of mass flux and light intensity. Test Requirements Low background contamination levels. Cold chamber shroud. Variable light source.
Pinhole filters to adjust to low light levels.
Deuterium and Krypton lamps. UV detector and calibration method. Photomultiplier and NO detectors. Movable MgF2 window for calibration. QCMs for deposition and reemission measurements.