乙醇是甲醇的同系物,其物理化学性质与甲醇很相近,加之精细甲醇的纯度很高(99.96%以上),主峰很宽,容易掩盖乙醇峰,而且在多数固定液上,乙醇峰是在甲醇峰之后流出,受主峰影响严重,这就使得甲醇中微量乙醇的分析成为一个难题.
浩瀚色谱(山东)应用技术开发有限公司，应用HH-Pora PLOT Amines毛细管柱,建立了直接测定工业甲醇中微量乙醇的气相色谱分析方法.结果显示,气相色谱法测定甲醇样品中微量乙醇具有准确度高、重现性好和操作简便.本方法的相对标准偏差RSD〈2.86%（n=5）,加标回收率为95.90%~103.61%.
名称：毛细管柱
型号：HH-Pora PLOT Amines
规格：30M*0.53MM*40UM
zui高温度：250°C
应用：GB 338-2011工业用甲醇
适用于：
安捷伦490在线/便携，4890,5890,6890,7820,7890,8860,8890
岛津GC-14C，GC-2010，GC-2014，GC-2030
赛默飞1310,1300,1610,1600
瓦里安3800系列
布鲁克PE580,590,680,690
磐诺A90，福立GC9790，华爱，天瑞，天美，GC7900，川仪，北分瑞利，东西电子，鲁南瑞虹，捷岛/科晓
Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. has established a gas chromatography analysis method for the direct determination of trace ethanol in industrial methanol using an HH Pora PLOT Amines capillary column The results showed that gas chromatography has high accuracy, good reproducibility, and simple operation for determining trace ethanol in methanol samples The relative standard deviation (RSD) of this method is less than 2.86% (n=5), and the recovery rate is between 95.90% and 103.61%
Name: Capillary Column
Model: HH Pora PLOT Amines
Specification: 30M * 0.53MM * 40UM
Zui high temperature: 250 ° C
Application: GB 338-2011 Industrial Methanol
Suitable for:
Agilent 490 online/portable, 48905890689088608890
Shimadzu GC-14C, GC-2010, GC-2014, GC-2030
Thermo Fisher Scientific 1310130016101600
Varian 3800 Series
Brooke PE580590680690
Panno A90, Fuli GC9790, Huaai, Tianrui, Tianmei, GC7900， Chuanyi, Beifen Ruili, Dongxi Electronics, Lunan Ruihong, Jiedao/Kexiao
滕州市浩瀚色谱仪器技术服务有限公司
电话：0632-5667636
传真：0632-5667636
手机：15562228838,13963221227
地址：山东滕州市平行路（商务部和技术部）
邮箱：wangxiaoying9@126.com
QQ:1404939462
联系人：王经理
网址：www.haohansepu.com