Published November 1974 | Version v1
Report Metadata-only

Isotopic analysis by means of emission spectroscopy

Creators

Description

The fundamentals of emission spectroscopic isotope analysis are the differences in the nuclear masses and nuclear volumes of the individual isotopes which lead to an isotope shift in the terms and thus to shifting of the lines in the optic spectrum. The differences in wavelength for uranium isotopes in the spectral region of 4,000 to 6,000 Angstroem are of the order of 50 to 100 milli-Angstroem, those for plutonium isotopes between 75 and 25 milli-Angstroem. This means that the spectral apparatus must have a high resolution power. Influencing factors such as intensity effects on neighbouring lines and influence of the excitation source, are discussed. (RB/LH)

Abstract (German)

Grundlage der emissionsspektroskopischen Isotopenanalyse sind die Unterschiede in Kernmassen und Kernvolumen der einzelnen Isotope, die zu einer Isotopieverschiebung in den Termen fuehrt und damit zu einer Verschiebung der Linien im optischen Spektrum. Die Wellenlaengendifferenzen fuer Uranisotope im Spektralbereich 4.000 bis 6.000 Angstroem liegen in der Groessenordnung zwischen 50 und 100 milli-Angstroem, die fuer Plutoniumisotope zwischen 75 und 25 milli-Angstroem. Dies setzt ein hohes Aufloesevermoegen des Spektralapparates voraus. Beeinflussende Faktoren - wie Intensitaetsbeeinflussung benachbarter Linien, Einfluss der Anregungsquelle - werden diskutiert. (RB)

Additional details

Additional titles

Original title (German)
Isotopenanalyse durch Emissionsspektrometrie

Publishing Information

Imprint Title
Workshop on modern analytical methods. Vol. 2
Imprint Pagination
p. 59-73.
Report number
Juel-Conf--11(Bd.2)

Conference

Title
Workshop on modern analytical methods.
Dates
15 Oct 1973.
Place
Juelich, F.R. Germany.

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
6203720
Subject category
S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
Resource subtype / Literary indicator
Conference, Non-conventional Literature
Descriptors DEI
EMISSION SPECTROSCOPY; EXCITATION; GLOW DISCHARGES; ISOTOPE RATIO; PLUTONIUM 239; PLUTONIUM 240; RESOLUTION; SPECTRAL SHIFT; SPECTROMETERS; URANIUM 235; URANIUM 238
Descriptors DEC
ACTINIDE NUCLEI; ALPHA DECAY RADIOISOTOPES; ELECTRIC DISCHARGES; ENERGY-LEVEL TRANSITIONS; EVEN-EVEN NUCLEI; EVEN-ODD NUCLEI; HEAVY NUCLEI; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; MEASURING INSTRUMENTS; MINUTES LIVING RADIOISOTOPES; NUCLEI; PLUTONIUM ISOTOPES; RADIOISOTOPES; SPECTROSCOPY; URANIUM ISOTOPES; YEARS LIVING RADIOISOTOPES

Optional Information

Notes
10 figs. Available from ZAED. Imprint:Workshop ueber moderne analytische Methoden. Bd. 2.;Ermittlung von Stoffeigenschften/Probleme der Materialforschung.
Secondary number(s)
AED-Conf--73-702-009.