Thermal analysis of smithsonite and hydrozincite
β Scribed by M. C. Hales; R. L. Frost
- Publisher
- Springer Netherlands
- Year
- 2008
- Tongue
- English
- Weight
- 492 KB
- Volume
- 91
- Category
- Article
- ISSN
- 0022-5215
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The mechanism of the thermal decomposition of smithsonite has been determined from a comparison of the results obtained from isothermal, linear heating rate (TG), and Constant Rate Thermal Analysis (CRTA) experiments. Two important precautions have been taken in this work. Firstly, the chemical comp
Raman spectroscopy at both 298 and 77 K has been used to study a series of selected natural smithsonites from different origins. An intense sharp band at 1092 cm -1 is assigned to the CO 3 2-symmetric stretching vibration. Impurities of hydrozincite are identified by a band around 1060 cm -1 . An ad