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Analysis of X-ray diffraction fingerprint of Calamina and its processed products / 中草药
Chinese Traditional and Herbal Drugs ; (24): 1868-1877, 2020.
Article in Chinese | WPRIM | ID: wpr-846494
ABSTRACT

Objective:

To establish X-ray diffraction (XRD) fingerprint of Calamina and its processed products, compare the effects of different processing Methods on the main components of medicinal materials and determine the content of ZnO in the processed products.

Methods:

XRD was used to analyze 10 batches of Calamina and its processed products, and fingerprints of Calamina and its processed products were established respectively. Six different processing methods were compared, and the content of ZnO in all processed products was determined by K value method.

Results:

Fingerprints of Calamina and its processed products were preliminarily established. There were 23 common peaks in the fingerprints of Calamina, and there were 10 common peaks in the fingerprints of its processed products. After calcination, the ZnCO3 characteristic peak of the raw material was transformed into the characteristic peak of ZnO; The content of ZnO in the calcined product exceeded 56%.

Conclusion:

XRD fingerprints could be used for the identification and analysis of Calamina and its processed products. The new and reliable method was provided for quality evaluation of Calamina and its processed products.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Traditional and Herbal Drugs Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Traditional and Herbal Drugs Year: 2020 Type: Article