磁石炮制前后的理化分析
Physical and chemical analysis in Magnetitum before and after processing
分类号：
出版年·卷·期（页码）：2012,32 (3):0-0
DOI:
10.16155/j.0254-1793.2017.01.01
-----摘要：-------------------------------------------------------------------------------------------
目的: 系统分析磁石炮制前后的理化变化。 方法: 采用性状鉴别、化学滴定法、原子吸收分光光度法(AAS)、原子荧光分光光度法(AFS)和电感耦合等离子发射光谱-质谱法、X射线衍射(XRD)法及差示热重法等分析方法,从性状、元素、物相、热性质等角度系统分析磁石炮制前后的理化变化。 结果: 磁石经炮制,性状变化显著;全铁量变化不明显,水溶性铁元素溶出增加;重金属及有害元素总量减少,水溶性重金属及有害元素的溶出率下降;新增了氧化铁的物相;热性质变化较大。 结论: 本实验为阐述磁石炮制增效减毒的科学内涵奠定基础。
-----英文摘要：---------------------------------------------------------------------------------------
Objective: The purpose of this paper is to systematically analyzing the physical and chemical change in magnetitum before and after processing. Method: Diagnostic character,chemical titration,atomic absorption spectrometry(AAS),atomic fluorescence spectrometry(AFS),inductively coupled plasma emission spectrometry-mass spectrometry(ICP-MS),X-ray diffraction and differential thermogravimetry and else methods were used for the analysis. Results: By processing,the traits of magnetitum have undergone significant changed but the total iron content did not.The water-soluble iron dissolution increased,on the contrary,the total and water-soluble heavy metals and toxic elements decreased.And after processing,a new phase Fe2O3 created and the thermal property has changed significantly. Conclusion: This paper lays the foundation for describing the scientific content of processing efficiency to magnetitum.
-----参考文献：---------------------------------------------------------------------------------------
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