Table 1 Measurement of the enantiomeric excess of three mixtures of fenchone using (+)-fenchone as a reference with \(ee^{ref} = 1\)

From: Real-time determination of enantiomeric and isomeric content using photoelectron elliptical dichroism

Mixture

Enantiomeric excess from provider

Enantiomeric excess measured by c-PEELD

(−)-fenchone

−84.2 ± 4%

−84.0 ± 0.4%

Mix 1

63.1 ± 4%

62.7 ± 0.5%

Mix 2

25.1 ± 4%

24.9 ± 0.4%

  1. Each measurement corresponds to a 10 min acquisition
  2. The error bars of the c-PEELD measurements are 95% confidence intervals (see Methods)
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