Means of introducing an analyte into liquid sampling atmospheric pressure glow discharge

Patent · 23 April 2019

OSTI ID:1568246

Marcus, R. Kenneth; Quarles, Jr., Charles Derrick; Russo, Richard E.; Koppenaal, David W.; Barinaga, Charles J.; Carado, Anthony J.

A liquid sampling, atmospheric pressure, glow discharge (LS-APGD) device as well as systems that incorporate the device and methods for using the device and systems are described. The LS-APGD includes a hollow capillary for delivering an electrolyte solution to a glow discharge space. The device also includes a counter electrode in the form of a second hollow capillary that can deliver the analyte into the glow discharge space. A voltage across the electrolyte solution and the counter electrode creates the microplasma within the glow discharge space that interacts with the analyte to move it to a higher energy state (vaporization, excitation, and/or ionization of the analyte).

• Research Organization: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC02-05CH11231; AC06-76RL01830
• Assignee: Clemson University (Clemson, SC); Battelle Memorial Institute on behalf of Pacific Northwest National Laboratory (Richland, WA); The Regents of the University of California—Lawrence Berkeley National Laboratory (Berkeley, CA)
• Patent Number(s): 10,269,525
• Application Number: 15/359,969
• OSTI ID: 1568246
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY