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Title: Surface sampling concentration and reaction probe with controller to adjust sampling position

Abstract

A method of analyzing a chemical composition of a specimen is described. The method can include providing a probe comprising an outer capillary tube and an inner capillary tube disposed co-axially within the outer capillary tube, where the inner and outer capillary tubes define a solvent capillary and a sampling capillary in fluid communication with one another at a distal end of the probe; contacting a target site on a surface of a specimen with a solvent in fluid communication with the probe; maintaining a plug volume proximate a solvent-specimen interface, wherein the plug volume is in fluid communication with the probe; draining plug sampling fluid from the plug volume through the sampling capillary; and analyzing a chemical composition of the plug sampling fluid with an analytical instrument. A system for performing the method is also described.

Inventors:
;
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1264416
Patent Number(s):
9,395,278
Application Number:
13/936,715
Assignee:
UT-BATTELLE, LLC (Oak Ridge, TN)
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Jul 08
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Van Berkel, Gary J., and ElNaggar, Mariam S. Surface sampling concentration and reaction probe with controller to adjust sampling position. United States: N. p., 2016. Web.
Van Berkel, Gary J., & ElNaggar, Mariam S. Surface sampling concentration and reaction probe with controller to adjust sampling position. United States.
Van Berkel, Gary J., and ElNaggar, Mariam S. 2016. "Surface sampling concentration and reaction probe with controller to adjust sampling position". United States. https://www.osti.gov/servlets/purl/1264416.
@article{osti_1264416,
title = {Surface sampling concentration and reaction probe with controller to adjust sampling position},
author = {Van Berkel, Gary J. and ElNaggar, Mariam S.},
abstractNote = {A method of analyzing a chemical composition of a specimen is described. The method can include providing a probe comprising an outer capillary tube and an inner capillary tube disposed co-axially within the outer capillary tube, where the inner and outer capillary tubes define a solvent capillary and a sampling capillary in fluid communication with one another at a distal end of the probe; contacting a target site on a surface of a specimen with a solvent in fluid communication with the probe; maintaining a plug volume proximate a solvent-specimen interface, wherein the plug volume is in fluid communication with the probe; draining plug sampling fluid from the plug volume through the sampling capillary; and analyzing a chemical composition of the plug sampling fluid with an analytical instrument. A system for performing the method is also described.},
doi = {},
url = {https://www.osti.gov/biblio/1264416}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jul 19 00:00:00 EDT 2016},
month = {Tue Jul 19 00:00:00 EDT 2016}
}

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