ocr: 9 The biological detectors are designed to condluct three kinds of experments: VIKING 1AND2 LANDER EQUIPEMENTO a) Pyrolytic release experiment This experiment was designed to detect signs of induced photosyntnesis or chemosynthesis in the soil. Samples of Martian soil (0.23 cubic centimeters) were placed in a chamberi in the presence of carbon oxides, notably radio- active carbon-14, a "marker. - The sample was then subjected to simulated solar radiation from a xenon lamp. Five days later, the gas was forced out of the chamber and the sample was heated to 625 C, then to 700 C. The compounds we ...
