上海11选5开奖结果

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红外光谱精华摘录,多学点又不吃亏!
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上海11选5开奖结果TIANJINSHINENGPUKEJIYOUXIANGONGSI

时间: 2018-08-08 浏览量: 1879


人们印象中红外光谱灵敏度低、解谱难,定量误差大。但是相比色谱,使用红外光谱具有不用预处理样品、直接检测各形态样品、可适用于在线分析等优势,这也是红外光谱近年来得以广泛应用的原因。此外,灵敏度高、操作简便、谱带的专属性强等特点,也适合于中药材的无损快速鉴别和定量分析, 它正在成为中药质量控制方面的一种有效手段。今天小编搜集了一些红外光谱的内容,说起来,红外光谱可不是简单几千字能够讲清楚的,但今天不讲别的,只讲有用的,只摘精华的,看不完、记不住,收藏了没事儿拿出来瞧瞧,时间长了,估计你也就成了专家了,不信?试试呗!


【红外光谱】

上海11选5开奖结果YOUCHENGFENZIZHENDONGGUANGPU,SHUYUFENZIXISHOUGUANGPU。YONGHONGWAIGUANGZHAOSHEYOUJIWUFENZISHI,FENZIZHONGDEHUAXUEJIANHUOGUANNENGTUANKEFASHENGZHENDONGXISHOU,BUTONGDEHUAXUEJIANHUOGUANNENGTUANXISHOUPINLVBUTONG,ZAIHONGWAIGUANGPUSHANGJIANGCHUYUBUTONGWEIZHI,CONGERKEHUODEFENZIZHONGHANYOUHEZHONGHUAXUEJIANHUOGUANNENGTUANDEXINXI。


TONGCHANGJIANGHONGWAIGUANGPUFENWEISANGEQUYU:JINHONGWAIQU(0.75~2.5μm)、ZHONGHONGWAIQU(2.5~25μm)HEYUANHONGWAIQU(25~300μm)。YIBANSHUOLAI,JINHONGWAIGUANGPUSHIYOUFENZIDEBEIPIN、HEPINCHANSHENGDE;ZHONGHONGWAIGUANGPUSHUYUFENZIDEJIPINZHENDONGGUANGPU;YUANHONGWAIGUANGPUZESHUYUFENZIDEZHUANDONGGUANGPUHEMOUXIEJITUANDEZHENDONGGUANGPU。


红外光谱即中红外光谱

上海11选5开奖结果YOUYUJUEDADUOSHUYOUJIWUHEWUJIWUDEJIPINXISHOUDAIDOUCHUXIANZAIZHONGHONGWAIQU,YINCIZHONGHONGWAIQUSHIYANJIUHEYINGYONGZUIDUODEQUYU,JILEIDEZILIAOYEZUIDUO,YIQIJISHUZUIWEICHENGSHU。TONGCHANGSUOSHUODEHONGWAIGUANGPUJIZHIZHONGHONGWAIGUANGPU。HONGWAIGUANGPUKEFENWEIFASHEGUANGPUHEXISHOUGUANGPULIANGLEI。

化合物“指纹”之称

HONGWAIGUANGPUDUIYANGPINDESHIYONGXINGXIANGDANGGUANGFAN,GUTAI、YETAIHUOQITAIYANGPINDOUNENGYINGYONG,WUJI、YOUJI、GAOFENZIHUAHEWUDOUKEJIANCE。CIWAI,HONGWAIGUANGPUHAIJUYOUCESHIXUNSU,CAOZUOFANGBIAN,ZHONGFUXINGHAO,LINGMINDUGAO,SHIYANGYONGLIANGSHAO,YIQIJIEGOUJIANDANDENGTEDIAN,YINCI,HONGWAIGUANGPUYOUHUAHEWU“ZHIWEN”ZHICHENG,SHIJIANDINGYOUJIHUAHEWUHEJIEGOUFENXIDEZHONGYAOGONGJU。


上海11选5开奖结果YINJUYOUGAODUDETEZHENGXING,SUOYICAIYONGYUBIAOZHUNHUAHEWUDEHONGWAIGUANGPUDUIBIDEFANGFALAIZUOFENXIJIANDINGYIHENPUBIAN,BINGYIYOUJIZHONGBIAOZHUNHONGWAIGUANGPUHUIJICHENGCECHUBAN,RU《SATELEBIAOZHUNHONGWAIGUANGZHAGUANGPUJI》SHOUJILESHIWANDUOGEHUAHEWUDEHONGWAIGUANGPUTU。JINNIANLAIYOUJIANGXIEZHEITUPUZHUCUNZAIJISUANJIZHONG,YONGLAIDUIBIHEJIANSUO。


红外光谱应用

HONGWAIGUANGPUKEYONGYUYIZHIWUDEJIANDING、WEIZHIHUAHEWUDEJIEGOUCEDING。


红外光区划分




红外光谱特点


红外光谱各基团出峰位置和特征





红外吸收光谱产生的条件




红外光谱表示方法



定性分析


HONGWAIGUANGPUSHIWUZHIDINGXINGDEZHONGYAODEFANGFAZHIYI。TADEJIEXINENGGOUTIGONGXUDUOGUANYUGUANNENGTUANDEXINXI,KEYIBANGZHUQUEDINGBUFENNAIZHIQUANBUFENZILEIXINGJIJIEGOU。QIDINGXINGFENXIYOUTEZHENGXINGGAO、FENXISHIJIANDUAN、XUYAODESHIYANGLIANGSHAO、BUPOHUAISHIYANG、CEDINGFANGBIANDENGYOUDIAN。


定量分析


HONGWAIGUANGPUFAZAIFENXIHELINGYIYINGYONGSHIDUIHUNHEWUZHONGGEZUFENJINXINGDINGLIANGFENXI。HONGWAIGUANGPUDINGLIANGFENXISHIJIEZHUYUDUIBIXISHOUFENGQIANGDULAIJINXINGDE,ZHIYAOHUNHEWUZHONGDEGEZUFENNENGYOUYIGECHIZHENGDE,BUSHOUQITAZUFENGANRAODEXISHOUFENGCUNZAIJIKE。YUANZESHANGYETI、GUTIHEQITIYANGPINDOUDUIYINGYONGHONGWAIGUANGPUFAZUODINGLIANGFENXI。


在定量分析中须注意下面两点:

1)XIGUANGDUHETOUGUOLVSHIBUTONGDELIANGGEGAINIAN、TOUGUOLVHEYANGPINNONGDUMEIYOUZHENGBIGUANXI,DANXIGUANGDUYUNONGDUCHENGZHENGBI。


2)XIGUANGDUDELINGYIKEGUIXINGSHITAJUYOUJIAHEXING。RUOERYUANHEDUOYUANHUNHEWUDEGEZUFENZAIMOUBOSHUCHUDOUYOUXISHOU,ZEZAIGAIBOSHUCHUDEZONGXIGUANGDUDENGYUGEJIFENXIGUANGDUDESUANSHUHE:DANSHIYANGPINZAIGAIBOSHUCHUDEZONGTOUGUOLVBINGBUDENGYUGEZUFENTOUGUOLVDEHE.



上海11选5开奖结果DADUOSHUHUAHEWUDEHONGWAIPUTUSHIFUZADE,JIBIANSHIYOUJINGYANDEZHUANJIA,YEBUNENGBAOZHENGCONGYIZHANGGULIDEHONGWAIPUTUSHANGDEDAOQUANBUFENZIJIEGOUXINXI,RUGUOXUYAOQUEDINGFENZIJIEGOUXINXI,JIUYAOJIEZHUQITADEFENXICESHISHOUDUAN,RUHECI、ZHIPU、ZIWAIGUANGPUDENG。JINGUANRUCI,HONGWAIPUTURENGSHITIGONGGUANNENGTUANXINXIZUIFANGBIANKUAIJIEDEFANGFA。


小结

上海11选5开奖结果YOUYUJINHONGWAIGUANGPUFADEKUAISU、FEIPOHUAIXING、WUSHIJIFENXI、ANQUANXINGGAO、 DICHENGBENJINENGTONGSHICEDINGDUOZHONGCHENGFENDENGTEDIAN。BIJIANGCHENGWEIWUSUNJIANCEJINGJI,YOUXIAOQIEZUIJUYOUFAZHANQIANJINGDEJISHUZHIYI。SUIZHEJINHONGWAIGUANGPUYIYINGJIANSHEBEICHENGBENBUDUANJIANGDI,JINYIBUWANSHANRUANJIANDESUANFA,TIGAOCONGFUZADEJINHONGWAIGUANGPUZHONGTIQUYOUXIAOXINXIDEXIAOLV,ZENGJIAGUANGPUDEXINZAOBI。HONGWAIGUANGPUFADEYINGYONGQIANJINGJIANGGENGGUANGKUO。

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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