synopsisTwo independently derived distribution function methods validate both the calibration curve and the dispersion correction of the "effective linear calibration" method used in gel permeation chromatography (GPC). Experimental conditions are specified for making the method more useful by permitting linear extrapolation of the calibration line, V R = CI + ca log M , and for using a minimum number of standards. The independent methods quantitatively relate known dfierential or integral distribution functions for standard samples to their respective chromatograms. As such, they are useful calibration methods also, but are limited in scope and range.
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