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环境化学  2015 

复合薄膜法反应条件的确定

Keywords: 复合薄膜法,硫酸盐粒子,硝酸盐粒子

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Abstract:

通过实验确定了复合薄膜法的最佳反应条件为硝酸灵膜厚度为12nm,BaCl2膜厚度为2nm;采用辛醇蒸汽来促进粒子与复合薄膜的反应;样品在蒸汽中的处理时间为18h.在所确定的反应条件下,粒子中所含的硝酸根离子和硫酸根离子与复合薄膜反应后,在电镜下分别具有清晰的针状结晶和圆环状晶形.

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