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红外吸收光谱简说
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TIANJINSHINENGPUKEJIYOUXIANGONGSI

时间: 2018-08-10 浏览量: 1631

红外吸收光谱

       红外光谱悠洋棋牌又称分子振动转动光谱,属分子吸收光谱。

       YANGPINSHOUDAOPINLVLIANXUBIANHUADEHONGWAIGUANGZHAOSHESHI,FENZIXISHOUQIZHONGYIXIEPINLVDEFUSHE,FENZIZHENDONGHUOZHUANDONGYINQIOUJIJUDEJINGBIANHUA,SHIZHEN-ZHUANNENGJICONGJITAIYUEQIANDAOJIFATAI,XIANGYINGYUZHEIXIEQUYUDETOUSHEGUANGQIANGDUJIANRUO,JILUBAIFENTOUGUOLVT%DUIBOSHUHUOBOZHANGDEQUXIAN,JIWEIHONGWAIGUANGPU。ZHUYAOYONGYUHUAHEWUJIANDINGJIFENZIJIEGOUGUANNENGTUANBIAOZHENG,YIKEDINGLIANGFENXI。

ZHU:BOSHU=1/BOZHANG

悠洋棋牌       HONGWAIXISHOUGUANGPUSHIYOUFENZIBUTINGDIZUOZHENDONGHEZHUANDONGYUNDONGERCHANSHENGDE,FENZIZHENDONGSHIZHIFENZIZHONGGEYUANZIZAIPINGHENGWEIZHIFUJINZUOXIANGDUIYUNDONG,DUOYUANZIFENZIKEZUCHENGDUOZHONGZHENDONGTUXING。DANGFENZIZHONGGEYUANZIYITONGYIPINLV、TONGYIXIANGWEIZAIPINGHENGWEIZHIFUJINZUOJIANXIEZHENDONGSHI,ZHEIZHONGZHENDONGFANGSHICHENGJIANZHENGZHENDONG(LIRUSHENSUOZHENDONGHEBIANJIAOZHENDONG)。FENZIZHENDONGDENENGLIANGYUHONGWAISHEXIANDEGUANGLIANGZINENGLIANGZHENGHAODUIYING,YINCIDANGFENZIDEZHENDONGZHUANGTAIGAIBIANSHI,JIUKEYIFASHEHONGWAIGUANGPU,YEKEYIYINHONGWAIFUSHEJIFAFENZIERZHENDONGERCHANSHENGHONGWAIXISHOUGUANGPU。

       能谱科技作为国内先进的红外光谱仪制造商,生产的iCAN9傅立叶红外光谱仪具有先进的红外光源系统、稳定的光学系统、高性能的电子系统、人性化的操作系统、极强的防潮处理、丰富的扩展性等特点广泛应用于医药、化工、高校、环保等领域,得到了广大用户的好评。使用iCAN9傅里叶变换红外光谱仪,搭载ATR附件,轻松满足企业检测要求,我们的产品可以成为企业实验室的得力帮手。

1514883064695900

波谱范围及定性依据

红外光谱的波谱范围

HONGWAIFENWEISANGEQUYU

悠洋棋牌    (1)JINHONGWAI(NIR)  0.76~2.5 μm 13158~4000 cm-1

       WEIO-H、N-H、C-HJIANDEBEIPINJIZUHEPINZHENDONGXISHOU

悠洋棋牌    (2)ZHONGHONGWAI(MIR ) 2.5~25 μm  4000~400 cm-1

       WEIFENZIZHENDONG-ZHUANDONGGUANGPUDEJIPINXISHOU

    (3)YUANHONGWAI(FIR) 25~1000 μm  400~10 cm-1

       WEICHUNZHUANDONGGUANGPUJIJINGGEZHENDONGGUANGPU、QITIFENZICHUNZHENDONGGUANGPU、ZHONGYUANZICHENGJIANDEZHENDONGXISHOU、QINGJIANSHENSUOZHENDONG、WANQUZHENDONGDENG,YIJIYIXIEPEIHEWUDEZHENDONGGUANGPU。

       ZHONGHONGWAISHIYONGYUYANJIUDABUFENYOUJIHUAHEWUDEZHENDONGJIPIN,YIBANSUOSHUODEIRJIZHIZHONGHONGWAIGUANGPU。YIBANSHANGPINYIQIDEBOSHUFANWEI:4000~650HUO4000~400 cm-1。FULIYEHONGWAIGUANGPUYI(FTIR)DEBOSHUFANWEIKEDA4000~40 cm-1。

红外的定性、定量依据

       JIYUWUZHIDUIGUANGDEXUANZEXINGXISHOUERJIANLIQILAIDEFENXIFANGFA。YUANLIWEILANGBOBIERDINGLV(GUANGHUAXUEDISANDINGLV):GUANGBEITOUMINGJIEZHIXISHOUDEBILIYURUSHEGUANGDEQIANGDUWUGUAN,ZAIGUANGCHENGSHANGMEIDENGHOUCENGJIEZHIXISHOUXIANGTONGBILIZHIDEGUANG。SHIYONGYUSUOYOUDEDIANCIFUSHEHESUOYOUDEXIGUANGWUZHI,BAOKUOQITI、GUTI、YETI、FENZI、YUANZIHELIZI。BIER-LANGBODINGLVSHIXIGUANGGUANGDUFA、BISEFENXIFAHEGUANGDIANBISEFADEDINGLIANGJICHU。GUANGBEIXISHOUDELIANGZHENGBIYUGUANGCHENGZHONGCHANSHENGGUANGXISHOUDEFENZISHUMU 。

       YIXISHOUFENGQIANGDUDINGLIANG:

A=εCL=lg(Io/I)=lgT (AZHENGBIYUNONGDUC)

悠洋棋牌A:XIGUANGDU,ε:MOERXISHOUXISHU,C:WUZHINONGDU,L:XISHOUCENGHOUDU,Io:RUSHEGUANGQIANGDU,I:TOUSHEGUANGQIANGDU,T:TOUGUANGLV。



特点及产生条件

红外光谱特点

       (1)红外吸收只有振转跃迁,能量低;

       (2)YINGYONGFANWEIGUANG:CHUDANYUANZIFENZIJIDANHEFENZIWAI,JIHUSUOYOUYOUJIWUJUNYOUHONGWAIXISHOU,ZHENDONGGUOCHENGZHONGYOUOUJIJUBIANHUAZHE,ZAIHONGWAIQUDOUYOUXISHOU,WUOUJIJUBIANHUADEZHENDONGKEZHILAMANGUANGPUZHONGCHUXIANXISHOU。

悠洋棋牌       ZHU----OUJIJU:ZHENG、FUDIANHEZHONGXINJIANDEJULIrHEDIANHEZHONGXINSUODAIDIANLIANGqDECHENGJI,JIAOZUOOUJIJUμ=r×q。TASHIYIGESHILIANG,FANGXIANGGUIDINGWEICONGZHENGDIANHEZHONGXINZHIXIANGFUDIANHEZHONGXIN。GENJUTAOLUNDEDUIXIANGBUTONG,OUJIJUKEYIZHIJIANOUJIJU,YEKEYISHIFENZIOUJIJU。FENZIOUJIJUKEYOUJIANOUJIJUJINGSHILIANGJIAFAHOUDEDAO。SHIYANCEDEDEOUJIJUKEYIYONGLAIPANDUANFENZIDEKONGJIANGOUXING。LIRU,TONGSHUYUAB2XINGFENZI,CO2DEμ=0,KEYIPANDUANTASHIZHIXIANXINGDE;H2SDEμ≠0,KEPANDUANTASHIZHEXIANXINGDE。KEYIYONGOUJIJUBIAOSHIJIXINGDAXIAO。JIANOUJIJUYUEDA,BIAOSHIJIANDEJIXINGYUEDA;FENZIDEOUJIJUYUEDA,BIAOSHIFENZIDEJIXINGYUEDA。

悠洋棋牌        (3)TEZHENGXINGQIANG(ZHIWEN):

       XISHOUFENGWEIZHI------JITUANZHENDONG(CHUGUANGXUEYIGOUTI,MEIYOUWANQUANXIANGTONGDEPUTU)

悠洋棋牌       FENGSHUMU、PINLV、XINGZHUANG、QIANGDU-------HUAHEWUJIEGOU、JUJIZHUANGTAI;

       特征吸收峰显示官能团类型,指纹区特征提供确定化合物结构的依据,对于复杂分子结构的最终确定,需要结合紫外、核磁、质谱及其他理化数据综合判断。

悠洋棋牌       (4)GUYEQITAIYANGJUNKEYONG,QIEYONGLIANGSHAO、BUPOHUAIYANGPIN,FENXISUDUKUAI,ZHONGFUXINGHAO;

悠洋棋牌       (5)YUSEPUDENGLIANYONG(GC-FTIR)JUYOUQIANGDADEDINGXINGGONGNENG。

悠洋棋牌       (6)JUXIANXING:

       LINGMINDUDI(YANGPINXUYAOTICHUN);

悠洋棋牌       DINGLIANGZHUNQUEXINGDI;

       BUTONGJIANXING、BUTONGZHENDONGLEIXINGDEεZHIBUTONG;

红外光谱产生的条件

       MANZULIANGGETIAOJIAN:

悠洋棋牌       (1)FUSHEYINGJUYOUNENGMANZUWUZHICHANSHENGZHENDONGYUEQIANSUOXUDENENGLIANG,JIHUAXUEJIANDEZHENDONGPINLVYUHONGWAIGUANGDEFUSHEPINLVXIANGFUHE;

       (2)FUSHEYUWUZHIJIANYOUXIANGHUOUHEZUOYONG,JIFENZIZHENGFUDIANHEZHONGXINBUZHONGDIE,QIEFENZIDEOUJIJUCHANSHENGBIANHUA。

ZHU:DUICHENGFENZI:MEIYOUOUJIJU,FUSHEBUNENGYINQIGONGZHEN,WUHONGWAIHUOXING,RUDANQI、YANGQI、LVQIDENG;

悠洋棋牌       FEIDUICHENGFENZI:YOUOUJIJU,WAIHUOXING。

       FENGWEI:HUAXUEJIANDELICHANGSHUKYUEDA,YUANZIZHEHEZHILIANGYUEXIAO,JIANDEZHENDONGPINLVYUEDA,XISHOUFENGJIANGZAIGAOBOSHUQUCHUXIAN;FANZHI,CHUXIANZAIDIBOSHUQU

       FENGSHU:FENGSHUYUFENZIZIYOUDUYOUGUAN,WUSHUNJIANOUJIJUBIANHUA,WUHONGWAIXISHOU。

悠洋棋牌SHUNJIANOUJIJUDA,XISHOUFENGQIANG;JIANLIANGDUANYUANZIDIANFUXINGXIANGCHAYUEDA(JIXINGYUEDA),XISHOUFENGYUEQIANG;

      JIPINFENG: YOUJITAIYUEQIANDAODIYIJIFATAI,CHANSHENGYIGEQIANGDEXISHOUFENG;

      BEIPINFENG:YOUJITAIZHIJIEYUEQIANDAODIERJIFATAI,CHANSHENGYIGERUODEXISHOUFENG。

能谱科技致力于傅立叶红外光谱仪,红外测油仪粉尘游离二氧化硅分析仪悠洋棋牌的研发生产销售多元化高新技术企业;无论是常规检查,还是用于前沿科学研究,在这您一定能找到合适您的理想工具。


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