Determination of total chromium in terrestrial and marine samples by electrothermal atomic absorption spectrometry after pressure digestion
โ Scribed by Sunil Jai Kumar; Peter Ostapczuk; H. Emons
- Publisher
- Springer
- Year
- 1997
- Tongue
- English
- Weight
- 36 KB
- Volume
- 359
- Category
- Article
- ISSN
- 1618-2650
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๐ SIMILAR VOLUMES
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
The use of several acid mixtures for digestion of marine biological materials with microwaveassisted heating was investigated. The mixtures of HNO 3 -H 2 SO 4 -H 2 O 2 and of HNO 3 -H 2 SO 4 -HCl were most effective after microwave digestion, resulting in complete decomposition of samples. Recoverie