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《Infrared Technology》 2007-03
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Micro-Computerized Upgrade and Regeneration of Infrared Spectrometer

LI Li-juan1,SUN Feng-jiu1,WANG Chuang2(1.College of Sciences,Northeastern University,Shenyang Liaoning 110004,China;2.Baoshan Iron & Steel Co.,Ltd.Special Steel Branch,Shanghai 200940,China)  
A set of data sampling system and the matching software are developed for an old model infrared spectrometer,the experimental data real-time sampling and experimental curves real-time plotting are carried out,and the integral performance of infrared spectrometer is improved.Meantime,the preparation method of solid powders was updated,and the improved “microfilm method” is given in order to make the specimen preparation simple and timesaving,and the spectra of normal and nano CaCO3 are also measured.The results show that the spectra of normal CaCO3 can match with standard spectra very well.It indicates that its operability and accuracy are good.At last,the causes of abnormal infrared absorption from nano CaCO3 are discussed.
【Fund】: 国家自然科学基金资助项目(59974010;50174020)
【CateGory Index】: TH744.1
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