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

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).
Inventors:
; ; ; ; ;
Issue Date:
OSTI Identifier:
1338053
Assignee:
Battelle Memorial Institute on behalf of Pacific Northwest National Laboratory (Richland, WA) LBNL
Patent Number(s):
9,536,725
Application Number:
14/171,981
Contract Number:
AC02-05CH11231; AC06-76RL01830
Resource Relation:
Patent File Date: 2014 Feb 04
Research Org:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

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