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Versatile zone refiner for liquids and low‐melting solids

 

作者: C. B. Martin,   R. J. Martin,   P. Nasir,   S. A. Wieczorek,   W. R. Romanco,   A. Sivaraman,   T. Kragas,   R. Kobayashi,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1984）
卷期: Volume 55, issue 11  

页码: 1831-1833

 

ISSN:0034-6748

 

年代: 1984

 

DOI:10.1063/1.1137674

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A versatile zone‐refining apparatus which employs liquid nitrogen as the refrigerant to maintain the compound to be purified in the solid state while appropriately spaced resistance heaters generate the moving liquid zones to purify compounds whose melting point lies between 200 and 350 K is described. As much as 0.750 kg of substance can be purified at one time to a purity better than 99.95 mole %.

 

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