Synthesis and structural analysis of LDH-CO<sub>3</sub>-SO<sub>4</sub>-Cl whiskers

WU Jiansong; ZHAO Sina; IN Zhixian; WEI Wenjun

doi:10.13471/j.cnki.acta.snus.2019.02.015

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Synthesis and structural analysis of LDH-CO₃-SO₄-Cl whiskers

更新时间：2023-12-11

- Synthesis and structural analysis of LDH-CO₃-SO₄-Cl whiskers
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 58, Issue 2, Pages: 121-127(2019)
- 作者机构：
  
  1. 岭南师范学院化学化工学院,广东,湛江,524048
  2. 
  3. 岭南师范学院生物科学与技术学院,广东,湛江,524048
- 作者简介：
- 基金信息：
- DOI：10.13471/j.cnki.acta.snus.2019.02.015
  CLC：
- Published：2019，
  
  Published Online：25 March 2019，
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WU Jiansong, ZHAO Sina, IN Zhixian, et al. Synthesis and structural analysis of LDH-CO₃-SO₄-Cl whiskers. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 58(2):121-127(2019)
DOI：

WU Jiansong, ZHAO Sina, IN Zhixian, et al. Synthesis and structural analysis of LDH-CO₃-SO₄-Cl whiskers. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 58(2):121-127(2019) DOI： 10.13471/j.cnki.acta.snus.2019.02.015.

摘要

以MgSO

·7H

O、AlCl

·6H

O为原料，Na

NaHCO

缓冲对为沉淀剂，合成了优质的LDH-CO

-SO

-Cl晶须。样品用XRD、SEM、N

吸附-解吸进行了物相、粒度、晶体形貌结构、热分析和比表面分析。分析了缓冲对体积分数对LDH-CO

-SO

-Cl晶须晶形及晶胞参数的影响。结果发现，缓冲对用量在体系中含量的大小对其规整性、板层结构有较大的影响。当缓冲液用量为40%，反应温度

=80 ℃，反应时间

=148 h时可获得晶形好、板层结构显著、规整性好、分散性好的优质LDH-CO

-SO

-Cl晶须。

Abstract

A fine-quality LDH-CO

-SO

-Cl whisker was synthesized via liquid precipitation method using MgSO

·7H

O and AlCl

·6H

O and as raw materials and Na

NaHCO

buffer solution as precipitant. The influences of buffer solution concentration on the characteristics of the samples were investigated. Whisker samples were characterized by X-ray diffraction

transmission electron microscopy

and Brunauer-Emmett-Teller N

surface area measurements. The results showed that the buffer solution concentration in the system had a greater impact on whisker defined shape. The crystal cell parameter LDH-CO

-SO

-Cl whisker with well-defined shape

distinct intercalated structure

regular quality

and welldispersing capability could be obtained under the following conditions: buffer solution volume ratio of 40%

reaction temperature of 80 ℃

and reaction time of 148 h. The whisker obtained was well-crystallized and had the morphology of homogeneous and fiber bar.

关键词

LDH-CO3-SO4-Cl 晶须合成结构分析

Keywords

LDH-CO3-SO4-Cl whiskersynthesisstructural analysis

references

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Synthesis and structural analysis of LDH-CO3-SO4-Cl whiskers

DOI：10.13471/j.cnki.acta.snus.2019.02.015

摘要

Abstract

关键词

Keywords

references

Synthesis and structural analysis of LDH-CO₃-SO₄-Cl whiskers