二元羧酸对硅酸盐矿物溶解的实验初步研究

被引:15
作者
陈传平
梅博文
毛治超
机构
[1] 江汉石油学院
[2] 江汉石油学院 荆州
[3] 荆州
[4] 荆州
关键词
架状硅酸盐矿物; 二元羧酸; 化学溶蚀; 次生孔隙;
D O I
10.19719/j.cnki.1001-6872.1993.01.016
中图分类号
学科分类号
摘要
本实验在80℃水浴中和常压条件下,用0.1mol/L草酸及其中性钠盐溶液分别与石英和正长石颗粒共热240h。石英和正长石都发生不同程度的溶解。实验后的岩石颗粒,重量明显减少。溶液中Si,Al等主要造岩元素含量增加。对实验后的颗粒进行电子扫描显微镜观察,表面形貌有了较大变化,表明溶蚀不仅对次生孔隙绝对加大,而且对改变孔洞的流通喉道性质亦有贡献。
引用
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页码:103 / 107
页数:5
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