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Article
Sliding-spark spectrometry of sediment samples
Direct analysis of non-conducting solids and dielectric surface layers for elements at trace levels has been shown to be feasible by the new so-called sliding-spark spectroscopy, in which a discharge plasma i...
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Article
Electrolytic hydride generation atomic absorption spectrometry for the determination of antimony, arsenic, selenium, and tin – mechanistic aspects and figures of merit
This article deals with the electrocatalytic and electrochemical mechanisms of hydride formation and their dependence on hydrogen overvoltage. A three-electrode-arrangement was used to determine the hydrogen ...
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Article
Electrolytic hydride generation electrothermal atomic absorption spectrometry – in situ trap** of As on different pre-conditioned end-heated graphite tubes
An automated analytical system for the determination of As combining an electrolytic hydride generator and a graphite furnace atomic absorption spectrometer has been developed. To investigate the trap** eff...
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Article
Identification of amber and imitations by near infrared reflection spectroscopy
Imitations of amber have been prepared since a long time, but the number of imitations is increasing since modern polymers are available. At present, many imitations are based on a few synthetic polymers and ...
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Article
Sliding spark spectroscopy – rapid survey analysis of flame retardants and other additives in polymers
A sliding spark spectrometer with a new powerful excitation source was used to detect halogens, flame retardants and metals in non-chlorine containing polymers. The sliding spark source generated discharges u...
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Article
Determination of total chlorine in waste oil
A simple method has been developed to determine the concentration of organic chlorine in waste oil. The determination is based on the conversion of organic chlorine to inorganic chloride by reaction with sodiu...
