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Discrimination of Vapours of Alcohols and Beverage Samples Using Piezoelectric Crystal Sensor Array

 

作者: Zhong Cao,   Hui-Gai Lin,   Bin-Feng Wang,   Ze-Zhong Chen,   Fu-Lin Ma,   Ke-Min Wang,   Ru-Qin Yu,  

 

期刊: Analytical Letters  （Taylor Available online 1995）
卷期: Volume 28, issue 3  

页码: 451-466

 

ISSN:0003-2719

 

年代: 1995

 

DOI:10.1080/00032719508001109

 

出版商: Taylor & Francis Group

 

关键词: Piezoelectric crystal sensor array;alcohol;beverage;discrimination analysis

 

数据来源: Taylor

 

摘要:

A piezoelectric crystal sensor array has been prepared as a vapour sensing system by coating with 12 adsorptive materials selected using cluster analysis. The frequency shift data obtained from the array as the response patterns for the vapour of aliphatic alcohol homologues and isomers are treated by principal component analysis. The two-dimensional display of the original and autoscaled data show well-defined clusters for different alcohol homologues and isomers. The method has been used for discrimination of commercial beverage samples.

 

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