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Title: Interface for the rapid analysis of liquid samples by accelerator mass spectrometry

Patent ·
OSTI ID:1118264

An interface for the analysis of liquid sample having carbon content by an accelerator mass spectrometer including a wire, defects on the wire, a system for moving the wire, a droplet maker for producing droplets of the liquid sample and placing the droplets of the liquid sample on the wire in the defects, a system that converts the carbon content of the droplets of the liquid sample to carbon dioxide gas in a helium stream, and a gas-accepting ion source connected to the accelerator mass spectrometer that receives the carbon dioxide gas of the sample in a helium stream and introduces the carbon dioxide gas of the sample into the accelerator mass spectrometer.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Number(s):
8,642,953
Application Number:
13/396,461
OSTI ID:
1118264
Resource Relation:
Patent File Date: 2012 Feb 14
Country of Publication:
United States
Language:
English

References (14)

Method for Forming on an Elongated Core Member a Covering of Thermoplastic Material by Extrusion patent December 1975
Off-axis interface for a mass spectrometer patent June 1995
Analytical method and apparatus patent October 2002
Sample introduction interface for analytical processing of a sample placed on a substrate patent March 2004
Sample introduction interface for analytical processing patent March 2005
Mass spectrometer patent October 2010
Linear probe carrier patent-application December 2001
Method and apparatus for laser impulse sample deposition patent-application July 2005
Mass Spectrometer patent-application October 2008
Atmospheric pressure ion source moving transport interface for a mass spectrometer patent-application November 2010
Apparatus and Methods for Filament Crimping an Manufacturing patent-application January 2011
Moving-Wire Device for Carbon Isotopic Analyses of Nanogram Quantities of Nonvolatile Organic Carbon journal October 2005
High-precision liquid chromatography-combustion isotope ratio mass spectrometry journal December 1993
Ultrahigh Efficiency Moving Wire Combustion Interface for Online Coupling of High-Performance Liquid Chromatography (HPLC) journal December 2011

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