The Study for Some Physical and Chemical Properties of Trihydrated Magnesium Carbonateand its Hydrolytic Product ——Basic Magnesium Carbonate

Hong Ruixiang; Ju Yilian; Chen Suqin and Xia ShupinQinghai Institute of Saline Lake; Academia Sinica

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The Study for Some Physical and Chemical Properties of Trihydrated Magnesium Carbonateand its Hydrolytic Product ——Basic Magnesium Carbonate

更新时间：2025-12-16

- The Study for Some Physical and Chemical Properties of Trihydrated Magnesium Carbonateand its Hydrolytic Product ——Basic Magnesium Carbonate
- CIESC Journal Issue 2, (1983)
- 作者机构：
  
  中国科学院青海盐湖研究所,中国科学院青海盐湖研究所,中国科学院青海盐湖研究所,中国科学院青海盐湖研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 June 1983，
  
  Published：25 June 1983
- 稿件说明：
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Hong Ruixiang, Ju Yilian, Chen Suqin and Xia ShupinQinghai Institute of Saline Lake, et al. The Study for Some Physical and Chemical Properties of Trihydrated Magnesium Carbonateand its Hydrolytic Product ——Basic Magnesium Carbonate[J]. CIESC Journal, 1983, (2).
DOI：

Hong Ruixiang, Ju Yilian, Chen Suqin and Xia ShupinQinghai Institute of Saline Lake, et al. The Study for Some Physical and Chemical Properties of Trihydrated Magnesium Carbonateand its Hydrolytic Product ——Basic Magnesium Carbonate[J]. CIESC Journal, 1983, (2). DOI：

摘要

本文考察了用碳酸氢铵(或氨与二氧化碳)和氯化镁溶液所制得的三水碳酸镁及其水解物——碱式碳酸镁的热化学行为及其红外光谱

从而探讨其结构

所得结果有些尚未见有文献报导.

Abstract

This paper discussed some physical and chemical properties of trihydrated MgCO3 and its hydrolytic product-basic MgCO3 is obtained from NH4HCO3 reacting with MgCl2 solution. The trihydrated MgCO3 and basic MgCO3 are examined with differentia thermal gravimetric

differential thermal

infrared spectra and X-Ray diffraction analyses. Besides

we find out that the two molecules of crystal water in MgCO3·3H2O have different bonding abilities

that the structural formulae of MgCO3·3H2O and 3MgCO3·Mg (OH)2·4H2O are Mg(HCO3)(OH)·2H2O and Mg(HCO3) (OH)·Mg(OH)2·H2O respectively; and that the exothermic peak of basic MgCO3 at 515℃ has certain relationship with physical property of the product itself.

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