铝酸钠溶液的鲁米诺增强声致发光研究 |
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作者单位: | 中国铝业股份有限公司郑州研究院,郑州,450041;中南大学化学化工学院,长沙,410083 |
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基金项目: | 国家重点基础研究发展计划(973计划) |
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摘 要: |
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关 键 词: | 超声 铝酸钠溶液 声致荧光 Luminol |
Luminol Intensified Sonoluminescence in Sodium Aluminate Solutions |
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Authors: | Liu Jibo Chen Qiyuan Zhang Muqun Yin Zhoulan Zhang Pingmin |
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Abstract: | Ultrasonic processing on sodium aluminate solutions was proved to have effects on the gibbsite crystallization process from sodium aluminate solution. In order to investigate the mechanism of the ultrasonic intensification, the sonofluorescence spectrum was detected by fluorescence spectrometer in sodium alumiante Luminol solutions, and the spectrum under the conditions of various ultrasonic power and different composition of sodium aluminate solutions were studied. It is found that the sodium aluminate Luminol solution can irradiate fluorescence by ultrasonic processing above the given power; the intensity of sonofluorescence are relatively low in sodium aluminate solutions with high concentration and low αk(mol ratio of Na2O/Al2O3 in sodium aluminate solution). The relationship between the sonofluorenscence and ultrasonic intensification on gibbsite crystallization process from sodium aluminate solutions were also discussed. The conclusion that the ultrasonic effects are influenced by ultrasonic cavitation and intensity of sonofluorescence spectrum is deduced. |
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Keywords: | Ultrasound Sodium aluminate solution Sonofluorescence Luminol |
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