Excerpt from Effects of Ammonium Phosphate and Sulfate on the Pyrolysis and Combustion of Cellulose
Pyrolysis was studied in a nitrogen atmosphere at a flow rate of 100 cubic centi meters per minute. A similar flow rate of air was used in investigations of combustion. For samples pyrolyzed in nitrogen, the percent of weight remaining as a function of sample temperature was monitored. For combustion analysis, an alternate method of recording data was needed due to the highly exothermic character of the reaction. Oven temperature and sample temperature were monitored for several blank runs using a Moseley Autograf 71008 two-pen strip-chart recorder. After correlating the two readings, the percent of weight remaining as a function of sample environment tempera ture could be calculated. In this way, decomposition in nitrogen and air could be compared in terms of similar environmental temperatures instead of sample temperatures.
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