skip to main content
DOE Patents title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Atomic line emission analyzer for hydrogen isotopes

Abstract

Apparatus for isotopic analysis of hydrogen comprises a low pressure chamber into which a sample of hydrogen is introduced and then exposed to an electrical discharge to excite the electrons of the hydrogen atoms to higher energy states and thereby cause the emission of light on the return to lower energy states, a Fresnel prism made at least in part of a material anomalously dispersive to the wavelengths of interest for dispersing the emitted light, and a photodiode array for receiving the dispersed light. The light emitted by the sample is filtered to pass only the desired wavelengths, such as one of the lines of the Balmer series for hydrogen, the wavelengths of which differ slightly from one isotope to another. The output of the photodiode array is processed to determine the relative amounts of each isotope present in the sample. Additionally, the sample itself may be recovered using a metal hydride.

Inventors:
 [1]
  1. (108 Independent Blvd., Aiken, SC 29801)
Issue Date:
Research Org.:
WESTINGHOUSE SAVANNAH RIVER CO
OSTI Identifier:
868722
Patent Number(s):
5198870
Assignee:
Kronberg, James W. (108 Independent Blvd., Aiken, SC 29801) SRS
DOE Contract Number:  
AC09-89SR18035
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
atomic; line; emission; analyzer; hydrogen; isotopes; apparatus; isotopic; analysis; comprises; pressure; chamber; sample; introduced; exposed; electrical; discharge; excite; electrons; atoms; energy; light; return; fresnel; prism; material; anomalously; dispersive; wavelengths; dispersing; emitted; photodiode; array; receiving; dispersed; filtered; pass; desired; lines; balmer; series; slightly; isotope; output; processed; determine; relative; amounts; additionally; recovered; metal; hydride; hydrogen atoms; photodiode array; desired wavelength; electrical discharge; hydrogen isotope; pressure chamber; metal hydride; diode array; light emitted; hydrogen isotopes; emitted light; hydrogen atom; relative amounts; hydrogen comprises; isotopic analysis; line emission; relative amount; desired wave; /356/

Citation Formats

Kronberg, James W. Atomic line emission analyzer for hydrogen isotopes. United States: N. p., 1993. Web.
Kronberg, James W. Atomic line emission analyzer for hydrogen isotopes. United States.
Kronberg, James W. Fri . "Atomic line emission analyzer for hydrogen isotopes". United States. https://www.osti.gov/servlets/purl/868722.
@article{osti_868722,
title = {Atomic line emission analyzer for hydrogen isotopes},
author = {Kronberg, James W.},
abstractNote = {Apparatus for isotopic analysis of hydrogen comprises a low pressure chamber into which a sample of hydrogen is introduced and then exposed to an electrical discharge to excite the electrons of the hydrogen atoms to higher energy states and thereby cause the emission of light on the return to lower energy states, a Fresnel prism made at least in part of a material anomalously dispersive to the wavelengths of interest for dispersing the emitted light, and a photodiode array for receiving the dispersed light. The light emitted by the sample is filtered to pass only the desired wavelengths, such as one of the lines of the Balmer series for hydrogen, the wavelengths of which differ slightly from one isotope to another. The output of the photodiode array is processed to determine the relative amounts of each isotope present in the sample. Additionally, the sample itself may be recovered using a metal hydride.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1993},
month = {1}
}

Patent:

Save / Share: