SEM and XRD Identification of Mineral Chinese Medicine Alumen,Calcined Alumen,and Their Processed Products

Sheng-jin LIU; Ting-ting QIAO; Yu-lu MA; Fang FANG; Rui-chao LIN; Yun-fei SUN; Jiang YANG; De-kang WU

doi:10.13422/j.cnki.syfjx.20190416

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SEM and XRD Identification of Mineral Chinese Medicine Alumen,Calcined Alumen,and Their Processed Products

Topic on Mineral Medicines | 更新时间：2021-02-09

- SEM and XRD Identification of Mineral Chinese Medicine Alumen,Calcined Alumen,and Their Processed Products
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 25, Issue 5, Pages: 8-13(2019)
- 作者机构：
  
  1.南京中医药大学　江苏省中药资源产业化过程协同创新中心，中药资源产业化与方剂创新药物国家地方联合工程研究中心，国家中医药管理局中药资源循环利用重点研究室，江苏省中药功效物质重点实验室，南京　 210023；
  2.北京中医药大学，北京　 100029；
  3.江苏省中医院，南京　 210029
- 作者简介：
- 基金信息：
- DOI：10.13422/j.cnki.syfjx.20190416
  CLC： R284.1;R22;R2-03;R289
- Received：22 August 2018，
  
  Published Online：06 November 2018，
  
  Published：05 March 2019
- 稿件说明：
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Sheng-jin LIU, Ting-ting QIAO, Yu-lu MA, et al. SEM and XRD Identification of Mineral Chinese Medicine Alumen,Calcined Alumen,and Their Processed Products[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(5): 8-13.
DOI：

Sheng-jin LIU, Ting-ting QIAO, Yu-lu MA, et al. SEM and XRD Identification of Mineral Chinese Medicine Alumen,Calcined Alumen,and Their Processed Products[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(5): 8-13. DOI： 10.13422/j.cnki.syfjx.20190416.

摘要

目的：

铵明矾为白矾的常见伪品，铵明矾炮制品为枯矾的常见伪品，该文旨在建立鉴别白矾、枯矾、铵明矾及其炮制品的方法。

方法：

利用扫描电子显微镜及X射线衍射技术对样品进行分析。

结果：

白矾、铵明矾在炮制前后形貌特征变化明显。白矾、铵明矾在×250，×1 000倍数下均能显示明显的形貌差异。白矾呈不规则的碎片或碎块，边缘棱角清晰，表面较平滑，散有不规则块小颗粒，偶见孔洞和纵棱；铵明矾呈不规则团块状，边缘较钝圆，棱角不明显，表面多凹凸不平，散有较小、呈类圆形的小颗粒。枯矾及伪品枯矾在×250倍数下，两者形貌特征区分度不大，在×1 000倍数下，枯矾表面凹凸不平，呈明显的粗颗粒状，伪品枯矾表面较平坦，粗颗粒状特征不明显。通过粉晶X射线衍射，能快速、准确的鉴别白矾、枯矾、铵明矾、铵明矾炮制品的主要物相为KAl(SO

)

·12H

Al(SO

)

·12H

KAl(SO

)

，NH

Al(SO

)

，X射线衍射峰2

角度特征值分别为23，12，22，5个。

结论：

扫描电子显微镜及X射线衍射技术均可用于白矾、枯矾及其相应伪品的鉴别。

Abstract

Objective:

Ammonium alum is a common counterfeit of Alumen

and the processed product of ammonium alum is a common counterfeits of calcined Alumen. This paper aims to establish a method for identifying Alumen

calcined Alumen

ammonium alum and their processed products.

Method:

The samples were analyzed by scanning electron microscope (SEM) and X ray diffraction (XRD) in this paper.

Result:

Ammonium alum and Alumen showed obvious changes in morphology after processing. Both Alumen and ammonium alum showed obvious differences in morphology at ×250 and ×1 000 times microscope. Alumen presented irregular fragments

clear edge corners

smooth surface

scattered irregular small particles

occasional holes and longitudinal edges. Ammonium alum presented irregular clumps

blunt edges

not obvious edges and corners

uneven surface

scattered smaller and round-like particles. The difference in morphology was not obvious at ×250 times microscope between Alumen and ammonium alum processed products. While at ×1 000 times

the surface of calcined Alumen was uneven with coarse particles; the surface of counterfeit calcined Alumen was flat

and the coarse particle characteristics were not obvious. XRD can be used to rapidly and accurately identify the primary phase of Alumen

calcined Alumen

ammonium alum and ammonium alum processed products: KAl(SO

)

·12H

Al(SO

)

·12H

KAl(SO

)

and NH

Al(SO

)

respectively

with 2

angle characteristic value of 23

22 and 5 respectively for XRD peak.

Conclusion:

SEM and XRD techniques can be used for the identification of Alumen

calcined Alumen

ammonium alum and their counterfeit products.

关键词

Keywords

references

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Related Author

Sheng-jin LIU

Ting-ting QIAO

Yu-lu MA

Fang FANG

De-kang WU

Yao CHEN

Min-jie BAO

Rui-chao LIN

Related Institution

Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, State Administration of Traditional Chinese Medicine Key Laboratory of Chinese Medicine Resource Recycling Utilization, Jiangsu Key Laboratory for Functional Substance of Chinese Medicine, Nanjing University of Chinese Medicine

State Key Laboratory of Southwestern Chinese Medicine Resources，School of Pharmacy， Chengdu University of Traditional Chinese Medicine

Sichuan Neo-green Pharmaceutical Technology Development Co. Ltd.，Pengzhou

Sichuan New Green Pharmaceutical Technology Development Co. Ltd.，Pengzhou

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