Jing-Zhi Wei

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The crystal structure of medicated realgar in China was validated as alpha-As4 S4 by X-ray diffraction and Raman spectroscopy in the present paper. Ten batches of medicinal realgar were analyzed including realgar ore, medicinal realgar powder, and prepared Chinese medicine. Identification of two As4 S4 polymorphs confirmed that the crystal structure of(More)
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