Figure 1. Calibration set results for ethanol, methanol, and heptane. Note: In 3 of the 5 standards, heptane was kept at a 10% concentration; results are presented for this average. Image Credit: ...

Phenylethyl alcohol, an "Out of Tolerance" analyte indicative of extra-virgin olive oil, is shown. Figure 3. Heptane, an "Out of Tolerance" analyte indicative of light olive oil, is shown. Conclusion ...

The technology had its start 60 years ago in Midland, Michigan, with the pairing of two powerful analytical techniques — gas chromatography (GC) and mass spectrometry (MS). By coupling the ability of ...