|Table of Contents|

Analysis on the Mineral Chinese Medicine Realgar(Xionghuang)(PDF)

《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2008年03期
Page:
63-67
Research Field:
化学
Publishing date:

Info

Title:
Analysis on the Mineral Chinese Medicine Realgar(Xionghuang)
Author(s):
Li Gang1; Cheng Yongke1; Huang Changgao1; Li Keren2; Wu Qinan3
1.Analysis & Testing Center,Nanjing Normal University,Nanjing 210097,China
Keywords:
realgar;  X - ray powder diffrac tion;  scann ing electr ic m icroscope;  therm og rav im etric-d iffe rentia l therm alanalysis
PACS:
TQ460.72
DOI:
-
Abstract:
The realgar co llected from Nanjing University o fT raditiona lCh ineseM edic inew as tested w ith XRD, SEM, TG - DTA, ICP, etc. Its m ain com pos ition, structure, trace chem ica l e lem en ts, therm odynam ics cha racte rs w ere g iven. The results ind ica ted that them a in com po sition o f the sam ple is β- AsS, w ith monoclin ic crystal sy stem, and there are som e trace elem ents o fC a, K, M g, Fe, A ,l Pb. The appearance o f the samp le is b lock and pilla r. when heated to about 273.2℃ , β- AsS is trans lated to β- AsS, them e lting po in t is about 304.4℃ , and at about 355. 5℃ , the sam ple sta rts losing we ight and decomposing. The tests prov ided scientific data for the evalua tion and safety o f them edicine.

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Last Update: 2013-05-05