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Article
Determination of nickel in urine and other biological samples by graphite furnace atomic absorption spectrometry
Das Verfahren, das für klinische Anwendung entwickelt wurde, bietet mehrere Vorteile: der Aufschluß der Proben mit Salpeter- und Perchlorsäure ist zeitsparend, Nickel kann mit Ammoniumpyrrolidindithiocarbamat ...
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Article
Simultaneous determination of major, minor and trace elements in airborne particulates by inductively coupled plasma-atomic emission spectroscopy
Das Verfahren beruht auf dem Aufschluß mit einem Säuregemisch (Salpeter-, Perchlor-, Flußsäure) bei normalem Druck. Ein Druckaufschluß wurde ebenfalls geprüft, war jedoch weniger geeignet. Störungen wurden dur...
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Article
An oblique section hydride generator for the simultaneous determination of arsenic, antimony and bismuth in geological samples by inductively coupled plasma-atomic emission spectrometry
An oblique section hydride generator is developed for use in combination with inductively coupled plasmaatomic emission spectrometry. The generator offers less interferences from concomitant ions and transitio...
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Article
Organic mercury speciation in fish by capillary gas chromatography interfaced with atomic absorption spectrometry
A rapid method for the speciation of mercury in fish has been described. Organomercurials in benzene extract were separated by glass capillary gas chromatography and detected by atomic absorption spectrometry....
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Article
Comparative characteristic studies on soil and commercial humic acids
Two commercial and eight soil humic acids were characterized to evaluate the use of commercial humic materials in soil and environmental studies. Significant differences between commercial and soil humic acids...
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Article
Direct determination of parts-per-billion levels of germanium in botanical samples and coal fly ash by graphite furnace atomic absorption spectrometry
Parts-per-billion levels of germanium can be determined directly by graphite furnace atomic absorption spectrometry (GFAAS) using palladium plus strontium as a mixed modifier resulting in pyrolysis temperatur...