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The Role of Infrared Spectroscopy and X-Ray Diffraction Analysis in the Investigation of the Influence of Fluorides on the Process of Calcination of Aluminium Hydroxide

 

作者: StojanR. Stojković,   ŽivanD. Živkovid,   NadaD. Štrbac,   IvanaS. G. StojkoviĆ,  

 

期刊: Spectroscopy Letters  （Taylor Available online 1994）
卷期: Volume 27, issue 9  

页码: 1135-1142

 

ISSN:0038-7010

 

年代: 1994

 

DOI:10.1080/00387019408006971

 

出版商: Taylor & Francis Group

 

关键词: Ir spectrophotometry;X-ray diffraction;aluminium fluorides;calcination;aluminium hydroxide;alumina.

 

数据来源: Taylor

 

摘要:

The aim of this work was to check the possibility that by use of infrared spectroscopy the influence of fluorides on the calcinations process of aluminum hydroxide can be followed. The DTA method shows it clearly. It was, namely, found that the added fluoride influences the process of polymorphous transformation of the formation of α-Al2O3from Al(OH)3. According to DTA, IR, and X-ray analyses, it was found that the added fluoride lowers the temperature of the mentioned transformation for some 300 degrees.

 

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