| 沈忠悦,叶瑛,兰翔.我国部分高岭土中非晶态Si、Al、Fe及其意义[J].地质找矿论丛,1995,(4):80-86 |
| 我国部分高岭土中非晶态Si、Al、Fe及其意义 |
| AMORPHOUS Si. Al. Fe CONSTITUTES AND THEIRSIGNIFICANCE IN SOME KAOLINS OF CHINA |
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| DOI：10.6053/j.issn.1001-1412.1995.4. 009 |
| 中文关键词: 高岭石 非晶态 硅 铝 铁 |
| 英文关键词: |
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| 中文摘要: |
| 高岭土中非晶质相是普遍存在的。本文采用草酸铵化学选择性溶出法研究了我国若干高岭土。这种方法仅溶解非晶态的物相,对晶质却不受影响。研究表明,高岭土中非晶相的绝对量Al>Si,但相对量总是Fe>Al>Si.它们主要以氧化物或氢氧化物的胶体微粒形式被高岭石表面所吸附。不同时代的高岭石中,年轻者含较多的非晶态相铁。 |
| 英文摘要: |
| Selective dissolution method of ammonium oxalate was adopted to study some kaolins in China. It iseffective to extract amorphous constitutes and crystall material is not affected. The study shows that in kaolins, absolute amounts of amorphous constitutes are Al>Si, but relative amounts of studied elements of amorphous phases are in the order: Fe>Al>Si. The amorphous phases are dominated in the order:Fe>Al>Si.The amorphous phases are dominated in the form of being absorbed colloidal particles in the surface of kolinites. For kaolins of various geological ages.the younger one contains much more amorphous Fe phases. |
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