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

Abstract

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:

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

Issue Date:

2019-04-23

Research Org.:

Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

1568246

Patent Number(s):

10269525

Application Number:

15/359,969

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 Classifications (CPCs):

G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

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G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT

G01J3/443 - Emission spectrometry

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

G01N21/67 - using electric arcs or discharges

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

H01J27/022 - {Details}
H01J27/16 - using high-frequency excitation, e.g. microwave excitation
H01J49/105 - {using high-frequency excitation, e.g. microwave excitation, Inductively Coupled Plasma [ICP]}
H01J49/145 - {using chemical ionisation}
H01J49/165 - {Electrospray ionisation}

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DOE Contract Number:  

AC02-05CH11231; AC06-76RL01830; HDTRA1-14-1-0010

Resource Type:

Patent

Resource Relation:

Patent File Date: 11/23/2016

Country of Publication:

United States

Language:

English

Subject:

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY