Thermal behavior and immersion heats of selected clays from Turkey
作者： Meryem Sakizci , Burcu Erdoğan Alver , Ertuğrul Yörükoğullari
DOI: 10.1007/S10973-009-0294-Y
关键词: Mineralogy 、 Calorimeter 、 Bentonite 、 Differential scanning calorimetry 、 Montmorillonite 、 Thermal analysis 、 Specific surface area 、 Materials science 、 Kaolinite 、 Analytical chemistry 、 Quartz
摘要: Four clays (two bentonites and two kaolinites) from Turkey were investigated by X-ray diffraction (XRD), thermal analysis (DTA/TG-DSC) surface area measurement techniques. Mineralogically bentonite samples characterized low concentration of montmorillonite high level impurities. Both kaolinite mainly contained quartz as major mineral. TG-DTA curves all clay measured in the temperature range 30–1200 °C. The total % weight losses for (B1 B2) (K1 K2) determined 14.50, 13.42, 5.55 11.85%, respectively. Differential Scanning Calorimeter (DSC) analyses carried out heating 30 to 550 immersion heats using with a Calvet-type C-80 calorimeter. higher exothermic Qimm values compared samples.
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