说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 气相色谱-质谱联用仪
1)  GC-MS
气相色谱-质谱联用仪
1.
Qualitative and quantitative determination of Tianzhu white yak meat was done by GC-MS in order to analyze its fatty acid composition and functional characteristics of which.
为分析白牦牛肉的脂肪酸组成及功能特性,采用气相色谱-质谱联用仪(GC-MS)对甘肃天祝白牦牛肉进行定性定量测定,并与当地黄牛肉进行比较。
2.
The article introduced the technology of supercritical CO_2 extraction of fragrant ingredients from fresh flower of pomelo and analysis method by gas chromatography and mass spectrometry (GC-MS), putting emphasis on the effects of pressure, temperature and time on extraction ratio.
应用气相色谱-质谱联用仪共鉴定出39个组分,占总芳香油的91。
3.
After samples were derived by BSTFA,GC-MS to.
样品经双甲基硅烷三氟乙酰胺(BSTFA)衍生后,以美托洛尔为内标物,用气相色谱-质谱联用仪进行定性定量分析。
2)  GC/MS
气相色谱-质谱联用仪
1.
Qualitative and quantitative analysize Daqinglaojiao by GC/MS, identify organic compound 31, The ester and alcoholic determine the aroma of Daqinglaojiao.
气相色谱-质谱联用仪,采用直接进样的方式,对大庆老窖白酒进行定性定量分析,共鉴定出有机物31种,其中的酯类和醇类决定了大庆老窖的香味特征。
2.
Aroma components,expecial organo-sulfur compounds in four types of Chinese onion were extracted by SPME,and then identified by GC/MS.
采用固相微萃取法提取4种类型葱中的挥发性成分,并用气相色谱-质谱联用仪分析其化学组成。
3.
The dimethyl fumarate in leather and its products was determined,and full scan ion monitoring method was discussed by Gas Chromatography & Mass Spectrometry(GC/MS),after the sample extracted and concentrated with acetone.
样品用丙酮超声提取、浓缩后,采用气相色谱-质谱联用仪全离子扫描监测的方法进行分析,该方法线性范围0。
3)  Gas chromatography-mass spectrometry
气相色谱-质谱联用仪
4)  gas chromatograph-mass spectrometer
气相色谱-质谱联用仪
5)  GC-MS
气相色谱质谱联用仪
6)  GC/MS
气相色谱/质谱联用仪
1.
Concentrated extraction solutions were obtained by removing most of CS2,and were extracted 5 times with n-hexane followed by qualitative and quantitative analysis of the 5 extracts with gas chromatography/mass spectrometer(GC/MS).
用正己烷萃取灵武煤浓缩萃取液,并用气相色谱/质谱联用仪(GC/MS)对灵武煤各级萃取物进行分析。
2.
GC、GC/MS Analysis of the chemical Component of Perfume Lily Essence;
再用相似条件上KYKY-QP1000A气相色谱/质谱联用仪进行组分定性分析,获得香水百合香精的气相色谱/质谱分离条件及20多种组分的质谱定性数据。
补充资料:气相色谱-质谱联用仪
分子式:
CAS号:

性质:气相色谱仪和质谱仪联机(或通过接口),用分离分析的仪器,GC/MS都配有电子计算机,构成GC/MS/DS系统。GC用于混合试样各组分的分离。分离后的单一组分依次进入质谱系统:先经离子源将试样分子离子化,再经质量分析器将离子按质荷比m/z大小分离,顺序由检测器检测构成质谱信号。电子计算机则用作数据的采集、存储、处理、检索和仪器的自动调近代。在GC/MS联用仪中,为了不破坏质谱系统的高真空条件,以保证色谱仪和质谱仪间的匹配,必须采用适当的接口装置以排除色谱的载气,最常用的是分子分离器。若气相色谱中配用内径小于0.25mm的毛细管柱,则可直接与离子源连接,不必通过分离器。是鉴定复杂有机混合物的非常有效的工具。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条