醚类中含水量检测方案(卡氏水分测定)

智能文字提取功能测试中

KM KYOTO ELECTRONICSMANUFACTURING CO.，LTD.KVX-01281enL京都电子工业株式会社-可睦电子(上海)商贸有限公司_上海市徐汇区宜山路333号1201室电话： 021-54488867 电邮： kemu-kem@163.com 网址： http：//www.kem-china.com-KM KYOTO ELECTRONICSMANUFACTURING CO.，LTD. Application MemoWater Content in Ether 1.Overview Moisture titration with Karl Fischer reagent is the most reliable moisture measurement methodin the world. The procedure is adopted in many official standards as test method specified inISO， ASTM， DIN，BS and JIS Here in this application note， we measure water content in ethers by direct method of KFtitration according to JIS K 0113. The ethers are easy to dissolve in the following solvent. 2. Apparatus Main unit Karl Fischer moisture titration volumetric system Electrode Twin platinum electrode 3. Reagents Titrant KEMAQUA titrant TR-3 Solvent KEMAQUA solvent MET for general -Measurement results- Sample name Water content mg % Diethyl ether 3.57 0.05 Tetrahydrofuran 1.32 0.015 Ethylene glycol monoethyl ether 3.62 0.039 2-methoxy ethanol 0.99 0.011 Sample name Water content mg % 1，4-dioxane 1.14 0.011 Isopropyl ether 0.15 0.002 Ethylene glycolmonobutyl ether 3.78 0.042 Please feel free to contact us for any further information. Kyoto Electronics Manufacturing Co.， Ltd. Overseas Sales & Marketing Sect. 醚类样品中含水量测定(1) 应用资料(英文版)使用卡尔费休试剂进行水分滴定是世界上最可靠的水分测量方法。该程序在GB，ISO，ASTM，DIN，BS和JIS中规定的标准测试方法。在本应用中，我们根据GB/T 6283，通过卡尔费休滴定法测量醚类中的含水量。