采用一步水热法制备了纳米氧化锌粉体,并利用透射电子显微镜、X射线衍射仪进行了表征.以石墨炉原子吸收光谱法为检测手段,研究了纳米氧化锌粉体对水中铜离子的吸附性能.结果表明:该法合成的纳米氧化锌粉体为六方红锌矿结构,平均粒径为40 nm；该粉体对水中的铜离子具有较高的选择吸附能力,其吸附量受介质的pH值影响,当pH值为5.0时,纳米氧化锌粉体对水中铜离子的吸附容量可达13.85 mg/g,能够去除水中98.1％的铜离子,结果满意.
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