Inventors:
Robert C. Gesteland - Evanston IL
Assignee:
Northwestern University - Evanston IL
International Classification:
B01L 500
C09K 300
G01N 122
A61L 904
Abstract:
A method and apparatus for precise control of vapor phase concentrations of volatile organic compounds is provided which utilize desorption of monolayers of the organic compound from a solid adsorbent. The method and apparatus can be used for measuring human olfactory system performance, for calibration of analytical chemical instruments, and in other applications.