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以新疆产天然电气石为原料制备了电气石微粉,利用X射线衍射仪、扫描电镜、高分辨电镜、pH酸度计研究了电气石的物相、微结构特点和电气石对水酸度及其随温度变化的影响。结果表明,电气石单个微粒为单畴的铁电体,可视为电偶极子;利用电气石微粉可以使水的酸度呈弱碱性;电气石对水酸度的影响随温度的变化进一步佐证了电气石的热释电性,并探讨了电气石对水作用的可能机理。
The tourmaline powder was prepared from natural tourmaline in Xinjiang. The phase and microstructure characteristics of tourmaline were investigated by X-ray diffraction, scanning electron microscopy, high-resolution electron microscope and pH meter. Effect of temperature changes. The results show that the single particles of tourmaline are single-domain ferroelectrics, which can be regarded as electric dipoles. The use of tourmaline powder can weaken the acidity of water, and the influence of tourmaline on water acidity further corroborates with the change of temperature The tourmaline pyroelectricity, and discussed the possible mechanism of tourmaline on the water.