| http://www.w3.org/ns/prov#value | - v. According to the following known equation ##EQU12## wherein ?? is the average thickness (??) of the film used for the infrared absorption measurement, C designates the concentration (% by weight) of the saponified ethylenevinyl acetate copolymer, and K is a constant, the values of [log (Io/I)]?? and C were plotted to obtain the calibration curve.
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