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Title: High resolution analysis of soil elements with laser-induced breakdown

Abstract

The invention is a system and method of detecting a concentration of an element in a soil sample wherein an opening or slot is formed in a container that supports a soil sample that was extracted from the ground whereupon at least a length of the soil sample is exposed via the opening. At each of a plurality of points along the exposed length thereof, the soil sample is ablated whereupon a plasma is formed that emits light characteristic of the elemental composition of the ablated soil sample. Each instance of emitted light is separated according to its wavelength and for at least one of the wavelengths a corresponding data value related to the intensity of the light is determined. As a function of each data value a concentration of an element at the corresponding point along the length of the soil core sample is determined.

Inventors:
 [1];  [2]
  1. Santa Fe, NM
  2. Los Alamos, NM
Issue Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
978682
Patent Number(s):
7692789
Application Number:
11/734,948
Assignee:
The United States of America as represented by the United States Department of Energy (Washington, DC)
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
DOE Contract Number:  
W-7405-ENG-36
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Ebinger, Michael H, and Harris, Ronny D. High resolution analysis of soil elements with laser-induced breakdown. United States: N. p., 2010. Web.
Ebinger, Michael H, & Harris, Ronny D. High resolution analysis of soil elements with laser-induced breakdown. United States.
Ebinger, Michael H, and Harris, Ronny D. Tue . "High resolution analysis of soil elements with laser-induced breakdown". United States. https://www.osti.gov/servlets/purl/978682.
@article{osti_978682,
title = {High resolution analysis of soil elements with laser-induced breakdown},
author = {Ebinger, Michael H and Harris, Ronny D},
abstractNote = {The invention is a system and method of detecting a concentration of an element in a soil sample wherein an opening or slot is formed in a container that supports a soil sample that was extracted from the ground whereupon at least a length of the soil sample is exposed via the opening. At each of a plurality of points along the exposed length thereof, the soil sample is ablated whereupon a plasma is formed that emits light characteristic of the elemental composition of the ablated soil sample. Each instance of emitted light is separated according to its wavelength and for at least one of the wavelengths a corresponding data value related to the intensity of the light is determined. As a function of each data value a concentration of an element at the corresponding point along the length of the soil core sample is determined.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {4}
}

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Works referenced in this record:

Determination of Nitrogen in Sand Using Laser-Induced Breakdown Spectroscopy
journal, July 2004


Measuring Total Soil Carbon with Laser-Induced Breakdown Spectroscopy (LIBS)
journal, November 2001


Extending the Applicability of Laser-Induced Breakdown Spectroscopy for Total Soil Carbon Measurement
journal, September 2003


Transportable laser-induced breakdown spectroscopy (LIBS) instrument for field-based soil analysis
conference, November 1996

  • Cremers, David A.; Ferris, Monty J.; Davies, Mathew
  • SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, SPIE Proceedings
  • https://doi.org/10.1117/12.259772