5埃是一种在色谱分析领域中广泛应用的分离工具，其名称中的“五A”通常指的是色谱柱内填充的分子筛材料的孔径大小，即5埃（Å，1埃等于0.1纳米）。‌
孔径大小使得5埃分子筛色谱柱在分离分子大小相近但性质略有不同的化合物时表现出色，尤其适用于分离小分子化合物，如气体、轻烃以及某些有机小分子。
 

名称：填充柱

固定相：分子筛

规格：4m*3mm，60/80目

型号：5A

应用：氢。氧，氮，一氧化碳，甲烷的分离

 

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

 

分子筛5 埃的应用：

1.空气中O2/N2的分离

2.高纯气体中:H2,O2,N2,CO,CH4的分离

3.甲醇制氢分析

4.焦炉煤气，炼厂气，天然气，液化气中氢，氧，氮，一氧化碳，甲烷的测定

5.沼气中甲烷的测定

6.费托合成气分析

 
5 Å is a widely used separation tool in the field of chromatographic analysis, and the "Five A" in its name usually refers to the pore size of the molecular sieve material filled in the chromatographic column, which is 5 Å (1 Å equals 0.1 nanometers). ‌
The pore size makes the 5 angstrom molecular sieve chromatography column perform well in separating compounds with similar molecular sizes but slightly different properties, especially suitable for separating small molecule compounds such as gases, light hydrocarbons, and certain organic small molecules.
Name: Filler Column
Fixed phase: molecular sieve
Specification: 4m * 3mm, 60/80 mesh
Model: 5A
Application: Hydrogen. Separation of oxygen, nitrogen, carbon monoxide, and methane
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
Application of 5 angstroms molecular sieve:
1. Separation of O2/N2 in the air
2. Separation of H2, O2, N2, CO, CH4 in high-purity gases
3. Analysis of Methanol Hydrogen Production
4. Determination of hydrogen, oxygen, nitrogen, carbon monoxide, and methane in coke oven gas, refinery gas, natural gas, and liquefied gas
5. Determination of methane in biogas
6. Fischer Tropsch synthesis gas analysis