The enzymatic (alcohol dehydrogenase) method of analysis
incorporated into the QED device showed, as expected, a good
selectivity for analyzing ethanol. Among the common solvents
tested, only n-propanol and isopropanol gave a measurable response.
Furthermore, when used to analyze aqueous solutions
of ethanol, the QED produced accurate and precise results over
a range of concentrations from 0 to 140 mg/dL with 95% limits
of agreement from 46-54 mg/dL at a target value of 50 mg/dL