Porapak N是一种多孔聚合物色谱填料,由苯乙烯、二乙烯苯和极性单体共聚而成,具有中等极性,广泛应用于气相色谱分析中。
名称:Porapak N
规格:50-80,80-100,100/120
包装:29g
技术参数
物理性质
外观:白色粉末或微珠。
堆密度:0.39 g/mL。
比表面积:437 m²/g。
最高使用温度:190-200°C(不同来源略有差异)。
规格
粒度:常见60-80目、80-100目,也可定制40-60目或100-120目。
包装:通常为29g/瓶(美国原装)。
主要应用
Porapak N适用于多种气体和挥发性化合物的分离,包括:
工业气体分析
分离C1-C2烃类(甲烷、乙烷、乙烯、乙炔)。
测定H₂、CO₂、硫化氢及水分。
化工产品分析
工业甲醛溶液、甲醇、氨、醛类、醇类、酯类。
液化气中的二甲醚及轻烃组分。
环境与能源检测
焦炉煤气、炼厂气中的CO₂和烃类。
室内空气污染物(如VOCs)



Porapak N is a porous polymer chromatographic filler composed of styrene, divinylbenzene, and polar monomers, with moderate polarity, widely used in gas chromatography analysis.
Name: Porapak N
Specifications: 50-80, 80-100, 100/120
Packaging: 29g
Technical Parameter
physical property
Appearance: White powder or microbeads.
Bulk density: 0.39 g/mL.
Specific surface area: 437 m ²/g.
Maximum operating temperature: 190-200 ° C (slightly different from different sources).
specifications
Particle size: commonly 60-80 mesh, 80-100 mesh, can also be customized to 40-60 mesh or 100-120 mesh.
Packaging: Usually 29g/bottle (original from the United States).
Main applications
Porapak N is suitable for the separation of various gases and volatile compounds, including:
Industrial gas analysis
Separate C1-C2 hydrocarbons (methane, ethane, ethylene, acetylene).
Measure H ₂, CO ₂, hydrogen sulfide, and moisture.
Chemical product analysis
Industrial formaldehyde solution, methanol, ammonia, aldehydes, alcohols, esters.
Dimethyl ether and light hydrocarbon components in liquefied gas.
Environmental and Energy Testing
CO ₂ and hydrocarbons in coke oven gas and refinery gas.
Indoor air pollutants (such as VOCs)
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