·min-1.Linear gradient elution was adopted with a florescent detector(λex=239 nm,λem=375 nm).O-phthaldialdehyde/β-mercaptoethanol was used for the derivatization of amino acids.Then HPLC-RF was used to measure the striatal extracellular levels of four amino acids.Results:These four ...
型号:Rainin Dynamax UV Detector 数量:2 成色:二手 产地:美国 售价:2.4万 说明:一款常用的可变紫外波长检测器,波长范围:190-380 nm(氘灯);也可选择安装钨灯,波长380-800 nm,带宽6 nm。 61906242 名称:高效液相色谱紫外可见检测器 型号:Varian 2550 Variable Wavelength UV Detector ...
3紫外检测器(ultraviolet detector)UV检测器是HPLC中应用最广泛的检测器,当检测波长范围包括可见光时,又称为紫外-可见检测器。它灵敏度高,噪音低,线性范围宽,对流速和温度均不敏感,可于制备色谱。由于灵敏高,因此既使是那些光吸收小、消光系数低的物质也可用UV检测器进行微量分析。但要注意流动相中各种溶剂的紫外...
45、ic permeability比移值 Rf value边缘效应 edge effect便携式色谱仪 portable chromatograph标准偏差 standard deviation表观电泳淌度 apparent electrophoretic mobility表观交换容量 apparent exchange capacity表面电位检测器 surface potential detector表面多孔硅胶 superficially porous silica gel表面多孔填料 superficially po...
英文名称: Shimadzu LC-10A HPLC System,SPD-10Avp Detector,SPD-M10Avp DAD 总访问: 3433 国产/进口: 进口 半年访问: 22 产地/品牌: 岛津LC-10A,二手岛津HPLC,二手HPLC,二手LC-10A,液相色谱仪 产品类别: 液相色谱 型号: RF-10A,LC-10ADvp,LC-10AT,SCL-10Avp 最后更新: 2025-2-8 货号: 参考报价:...
英文名称:Shimadzu LC-10A HPLC System,SPD-10Avp Detector,SPD-M10Avp DAD总访问:1378 国产/进口:进口半年访问:29 产地/品牌:岛津LC-10A,二手岛津HPLC,二手HPLC,二手LC-10A,液相色谱仪产品类别:质谱仪 型号:RF-10A,LC-10ADvp,LC-10AT,SCL-10Avp最后更新:2025-3-24 ...
■FLUORESCENE DETECTOR 原理: 利用一強光(氙燈)照射樣品 管,其波長短足以激發樣品 中各成分放出螢光 再用光 中各成分放出螢光,再用光 電管和分光濾光設備測定所 發螢光強度;由螢光強度可 發螢光強度;由螢光強度可 決定該成分的含量,同時由 螢光的波長,又可確認該成 ...
The greater the interaction with the stationary phase compared with the mobile phase, the longer the time spent interacting with the stationary phase, the longer the time spent on the column and the longer the retention time (Rf) for that component. The power of the technique comes from the ...
(總結) HPLCINSTRUMENTS HPLC分析儀器所包含的元件: 1.DEGASSINGSYSTEM (脫氣系統) 2PUMP(幫浦)2.PUMP(幫浦) 3.INJECTOR(注入系統) 4.COLUMNOVEN(管柱恆溫器) HPLCINSTRUMENTS HPLC分析儀器所包含的元件: 5.COLUMN(分析管柱)5.COLUMN(分析管柱) 6.DETECTOR(偵檢器) 7DATASTATION(資料收集器)7.DATASTATION(...
Objective:To develop a simultaneous assay for tramadol hydrochloride (TMD) and metabolite M 1 in human plasma by HPLC.Method:Expriments were performed on Waters 208 HPLC system with a Shimadzu RF_530 fluorecence detector(λ Ex = 275 nm,λ Em =304 nm) and a Inertsil C 18 column(4 6 mm...