A simple direct procedure for the determination of chromium in whole blood and urine by graphite-furnace atomic absorption spectrometry is described. Whole blood samples are diluted with 0.1% Triton-X solution before injection, whereas urine samples are injected directly. Calibration is done by dire
Multielement electrothermal atomic absorption spectrometry: A study on direct and simultaneous determination of chromium and manganese in urine
โ Scribed by P. Oliveira; E. Oliveira
- Book ID
- 105898326
- Publisher
- Springer
- Year
- 2001
- Tongue
- English
- Weight
- 61 KB
- Volume
- 371
- 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 1300ะC. The T app was independent of the heating rate of atomizer, but the temperature at the peak o
The optimized measurement of Cr in urine samples using graphite furnace atomic absorption spectrometry, with a tungsten lamp and Zeeman-effect background correction is described. Sample dilution and slow hot injection were studied in an effort to improve the precision. Parameters such as detection l