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even of complex analytes. Laqua successfully combined theoretical developments
with practical applications in process control and quality assessments [
153
].
Laqua was member of editorial boards of the most important international
journals of atomic spectroscopy, and he was Vice Chairman of the IUPAC
Commission V.4—Spectrochemical and other Optical Procedures for Analysis.
In 1985, he was awarded the
Fresenius
-
Preis
of the German Chemical Society
(GDCh) and in 1992 the
Bunsen
-
Kirchhoff
-
Preis
of the Division Analytical
Chemistry of the GDCh [
154
].
Hans Paul Josef M
assmann
(born 11 November 1920, Essen, died 3 December
1982, Essen)
Hans Massmann completed high school in Essen (1939) and matriculated at the
Georg-August-Universität Göttingen for physics. He was in 1939 conscripted to
army service. After 8 years as prisoner of war (1940-1949), he studied physics
in Cologne and completed his PhD there in 1958, working mainly in the field of
semiconductor physics. In the same year, he joined the
Institut für Spektrochemie
und Angewandte Spektroskopie
(Institute for Spectrochemistry and Applied
Spectroscopy, now
Leibniz
—
Institut für Analytische Wissenschaften
—
ISAS
—
e . V.
) Dortmund [
116
] (for portrait see Fig.
4.24
). Until his death, he worked there
together with Kurt Laqua in the Department Atomic Spectroscopy. After retire-
ment of Kurt Laqua, he became Head of this group. His research interests covered
many aspects of spectrochemical emission analysis, including X-ray spectroscopy,
hollow-cathode lamps, spectroscopic techniques for atomic absorption, atomic
fluorescence and flame emission [
155
]. Of particular importance are his contribu-
tions to the technique of electrothermal atomization (ETA) in atomic absorption
Fig. 4.24
Portrait of Hans
Massmann (1920-1982).
Photo
B. Welz, Florianopolis,
Brazil, with permission
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