GDX-401是一种在气相色谱分析中常用的中等极性高分子多孔聚合物填料,由二乙烯苯与含氮杂环单体共聚而成。它具有较高的热稳定性和化学稳定性,适用于分析极性物质和微量水分。
主要特性:
| 特性维度 |
描述 |
|
| 化学组成 |
二乙烯苯与含氮杂环单体共聚物 |
|
| 物理形态 |
乳白色多孔微珠 |
|
| 极性 |
中等极性,显微碱性 |
|
| 堆密度 |
0.21 g/mL |
|
| 比表面积 |
370 m²/g |
|
| *高使用温度 |
200°C - 250°C(建议定期检查厂家*新技术参数) |
|
| 常见粒度 |
40-60目, 60-80目, 80-100目, 100-120目 |
|
| 主要应用 |
氯化氢(HCl)中微量水、氨气(NH₃)中微量水、工业甲醛水溶液(甲醛-水-甲醇)、二甲醚燃气组分、有机溶剂中微量水(如甲醇、四氢呋喃) |
|
| 耐腐蚀性 |
较好,能适应一些苛刻的分析环境(如腐蚀性气体) |
典型应用场景
GDX-401填料因其特性,尤其适用于以下分析:
微量水分析:是其经典应用,能有效分析 氯化氢(HCl)、氨气(NH₃)、甲醛水溶液、甲醇、低级胺、乙炔等物料中的微量水分。
有机溶剂分析:可用于四氢呋喃、甲基丙烯酸甲酯、酰胺类化合物等的分析。
气体分离:适用于二甲醚、液化气、轻烃以及空气中特定组分(如四氢呋喃)的分离与测定。
其他:也可用于蒸馏酒中甲醇的测定。
浩瀚色谱(山东)应用技术开发有限公司,研制《GDX-401填充色谱柱应用安捷伦7890》:氯化氢(HCl)中微量水、氨气(NH₃)中微量水、工业jia醛水溶液(甲quan-水-甲醇)、二甲醚燃气组分、有机溶剂中微量水(如甲醇、四氢呋喃),分离良好,结果满意。
名称:填充柱
型号:GDX-401
规格:2m*3mm,60-80目
zui高使用温度:240°C
应用:氯化氢(HCl)中微量水、氨气(NH₃)中微量水、工业jia醛水溶液(甲quan-水-甲醇)、二甲醚燃气组分、有机溶剂中微量水(如甲醇、四氢呋喃)
应用:
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
Chemical composition: copolymer of divinylbenzene and nitrogen-containing heterocyclic monomers
Physical form: Milky white porous microspheres
Medium polarity, micro alkaline
Bulk density 0.21 g/mL
Specific surface area 370 m ²/g
The maximum operating temperature is 200 ° C -250 ° C (it is recommended to regularly check the latest technical parameters of the manufacturer)
Common particle sizes: 40-60 mesh, 60-80 mesh, 80-100 mesh, 100-120 mesh
Mainly used for trace water in hydrogen chloride (HCl), trace water in ammonia (NH3), industrial formaldehyde aqueous solution (formaldehyde water methanol), dimethyl ether gas components, and trace water in organic solvents (such as methanol and tetrahydrofuran)
Good corrosion resistance, able to adapt to some harsh analytical environments (such as corrosive gases)
Typical application scenarios
GDX-401 filler is particularly suitable for the following analysis due to its characteristics:
Trace water analysis: It is a classic application that can effectively analyze trace water in materials such as hydrogen chloride (HCl), ammonia (NH3), formaldehyde aqueous solution, methanol, lower amines, acetylene, etc.
Organic solvent analysis: can be used for the analysis of tetrahydrofuran, methyl methacrylate, amide compounds, etc.
Gas separation: suitable for the separation and determination of specific components (such as tetrahydrofuran) in dimethyl ether, liquefied gas, light hydrocarbons, and air.
Other: It can also be used for the determination of methanol in distilled spirits.
Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. has developed the "GDX-401 Filled Chromatography Column Application Agilent 7890": trace water in hydrogen chloride (HCl), trace water in ammonia (NH3), industrial formaldehyde aqueous solution (methanol water methanol), dimethyl ether gas components, and trace water in organic solvents (such as methanol and tetrahydrofuran), with good separation and satisfactory results.
Name: Filler Column
Model: GDX-401
Specification: 2m * 3mm, 60-80 mesh
Maximum operating temperature: 240 ° C
Application: Trace water in hydrogen chloride (HCl), trace water in ammonia (NH3), industrial formaldehyde aqueous solution (methanol water methanol), dimethyl ether gas component, trace water in organic solvents (such as methanol, tetrahydrofuran)
Application:
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