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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 Lab. (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. Tue . "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 = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {7}
}

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