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红外光谱与拉曼光谱的区别与联系
编辑 :

TIANJINSHINENGPUKEJIYOUXIANGONGSI

时间: 2019-01-16 浏览量: 52

红外光谱和拉曼光谱的区别在哪里?下面由能谱科技工程师为您简单阐述一下。

一、红外光谱与拉曼光谱的介绍

红外光谱与拉曼光谱的区别与联系

1、红外光谱

当样品受到频率连续变化的红外光照射时,分子吸收了某些特定频率的辐射,并由其振动或转动运动引起偶极矩的变化,产生分子振动和转动能级从基态到激发态的跃迁,使相应于这些吸收区域的透射光强度减弱。将测得的吸收强度对入射光的波长或波数作图,就得到红外光谱

悠洋棋牌LIYONGWUZHIDUIHONGWAIGUANGQUDIANCIFUSHEDEXUANZEXINGXISHOUDETEXINGLAIJINXINGJIEGOUFENXI、DINGXINGHEDINGLIANGDEFENXIFANGFA,CHENGHONGWAIXISHOUGUANGPUFA。

红外光谱与拉曼光谱的区别与联系 

 

2、拉曼光谱

DANGGUANGZHAOSHEDAOWUZHISHANGSHI,HUIFASHENGFEIDANXINGSANSHE,ZAISANSHEGUANGZHONGCHUYOUYUJIFAGUANGBOZHANGXIANGTONGDEDANXINGCHENGFEN(RUILISANSHE)WAI,HAIYOUHEJIFAGUANGBOZHANGBUTONGDECHENGFEN,HOUYIXIANXIANGTONGCHENGWEILAMANXIAOYING。ZHEIZHONGXIANXIANGYU1928NIANYOUYINDUKEXUEJIALAMANSUOFAXIAN,YINCIZHEIZHONGCHANSHENGXINBOZHANGDEGUANGDESANSHEBEICHENGWEILAMANSANSHE,SUOCHANSHENGDEGUANGPUBEICHENGWEILAMANGUANGPUHUOLAMANSANSHEGUANGPU。LAMANGUANG

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二、红外光谱与拉曼光谱的异同

 

1、相同点

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2、不同点

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(2)YAOCHANSHENGHONGWAIGUANGPUXIAOYING,XUYAOFENZINEIBUYOUYIDINGDEJIXING,YEJIUSHISHUOCUNZAIFENZINEIDEDIANOUJIJU。ZAIGUANGZIYUFENZIXIANGHUZUOYONGSHI,TONGGUODIANOUJIJUYUEQIANFASHENGLEXIANGHUZUOYONG。YINCI,NEIXIEMEIYOUJIXINGDEFENZIHUOZHEDUICHENGXINGDEFENZI,YINWEIBUCUNZAIDIANOUJIJU,JIBENSHANGSHIMEIYOUHONGWAIXISHOUGUANGPUXIAOYINGDE。 LAMANGUANGPUCHANSHENGDEJILISHIDIANSIJIJUHUOZHECIOUJIJUYUEQIAN,BINGBUXUYAOFENZIBENSHENDAIYOUJIXING,YINCITEBIESHIHENEIXIEMEIYOUJIXINGDEDUICHENGFENZIDEJIANCE。

 

(3)HONGWAIRONGYICELIANG,XINHAOHENHAO。ERLAMANXINHAOBIJIAORUO。

 

(4)HONGWAIGUANGPUDUIYUSHUIRONGYE、DANJINGHEJUHEWUDEJIANCEBIJIAOKUNNAN,DANLAMANGUANGPUJIHUKEYIBUBITEBIEZHIYANGCHULIJIUKEYIJINXINGFENXI,BIJIAOFANGBIAN;HONGWAIGUANGPUBUKEYIYONGSHUIZUORONGJI,DANSHILAMANKEYI,SHUISHILAMANGUANGPUDEYIZHONGYOULIANGRONGJI;

 

(5)ZAIJIANDINGYOUJIHUAHEWUSHI,HONGWAIGUANGPUBILAMANYOUYOUSHI。ERWUHUAHEWUDELAMANGUANGPUXINXILIANGBIHONGWAIGUANGPUDA。

 

(6)LAMANGUANGPUDESHILIYONGKEJIANGUANGHUODEDE,SUOYILAMANGUANGPUKEYONGPUTONGDEBOLIMAOXIGUANZUOYANGPINCHI,LAMANSANSHEGUANGNENGQUANBUTOUGUOBOLI,ERHONGWAIGUANGPUDEYANGPINCHIXUYAOTESHUCAILIAOZUOCHENGDE。

 


 

KEYIZONGJIE,HONGWAIYULAMANDEBIJIAORUXIABIAO:


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