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Absolute Isotopic Composition and Atomic Weight of Germanium by Tsing-Lien Chang; Wen-Jun Li; Guang-Sheng Qiao; Qiu-Yu Qian; Zhu-Ying Chu is a Chemistry article available to read on EtoBox.

What is Absolute Isotopic Composition and Atomic Weight of Germanium about?

Gravimetric synthetic mixtures prepared from highly enriched isotopes of germanium in the form of oxides of well defined purity were used to calibrate a thermal ionization mass spectrometer. Measurements on natural germanium samples yielded an absolute isotopic composition of 20.38(10) at. % 70 Ge, 27.34(9) at. % 72 Ge, 7.75(5) at. % 73 Ge, 36.71(9) at. % 74 Ge, and 7.82(4) at. % 76 Ge, and the atomic weight of germanium as 72.639(7) both with an uncertainty given on the basis of 95% confidence limit. No isotopic fractionation was found in terrestrial normal germanium materials.

Who reads Absolute Isotopic Composition and Atomic Weight of Germanium?

Author

Tsing-Lien Chang; Wen-Jun Li; Guang-Sheng Qiao; Qiu-Yu Qian; Zhu-Ying Chu

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 1387-3806)

Published

1999

Language

EN

Field

Chemistry (Physical Sciences)