Abstract
ABSTRACTA new nondestructive method of estimating the residual air volume in food packages was developed and compared with the standard destructive technique. The nondestructive method involved enclosing the test package in a nonflexing, plexiglass container and placing this container into a vacuum chamber. Monitoring changes in volume at two vacuum levels and using Boyle's Law, the air content of more than fifty polymeric packages was computed. The difference between the destructive and nondestructive volumes was found to be statistically insignificant.
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