Enantiomer Excess/Enantiomeric Excess definition

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Enantiomer Excess/Enantiomeric Excess definition

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For a mixture of (+)- and (-)-enantiomers, with composition given as the mole or weight fractions F(+) and F(-) (where F(+) + F(-) = 1) the enantiomer excess is defined as |F(+) - F(-)| (and the percent enantiomer excess by 100|F(+) - F(-)| ). Frequently this term is abbreviated as e.e. See optical purity.

Enantiomer Excess/Enantiomeric Excess definition

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