Study of chemical modifiers for the determination of chromium in biological materials by tungsten coil electrothermal atomic absorption spectrometry
✍ Scribed by C. G. Bruhn; J. Y. Neira; M. I. Guzmán; M. M. Darder; J. A. Nóbrega
- Publisher
- Springer
- Year
- 1999
- Tongue
- English
- Weight
- 75 KB
- Volume
- 364
- Category
- Article
- ISSN
- 1618-2650
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Atomization characteristics of chromium have been studied by electrothermal atomic absorption spectrometry with a molybdenum tube atomizer. The appearance temperature (T app ) of chromium nitrate was 1300ЊC. The T app was independent of the heating rate of atomizer, but the temperature at the peak o
The analytical performance of an unenclosed tungsten coil atomizer operating in Ar-H, (9O:lO) was assessed by electrothermal atomic absorption spectrometry (ETAAS) for the determination of pg to ng levels of Cd, Co, Cr, Mn, Ni and Pb in liquid samples. A three-steps low power unit provided the heati