Tenax-TA不锈钢填充色谱柱是一个基于Tenax-TA吸附剂的不锈钢采样/预富集装置。它的核心价值在于：
从大量气体样品中高效、选择性地捕集和浓缩目标VOCs。
耐受高温，便于彻底脱附，与水干扰小。
坚固耐用，适合现场采样和自动化热脱附分析。

与其他材料的对比
vs. 活性炭：Tenax-TA对水的亲和力远低于活性炭，更适合潮湿样品，但比表面积较小，对非常轻的化合物捕获能力较弱。
vs. 碳分子筛：碳分子筛（如Carboxen）对永久气体和轻烃有强保留，常与Tenax-TA组成多段填充吸附管，以扩大分析物范围。
vs. 硅胶：硅胶亲水性强，易被水饱和，不适合潮湿环境。

. 主要应用领域
这种柱子通常不用于常规的气相色谱分离分析，而是主要用于以下前处理或采样环节：
吸附采样管：
环境监测：采集环境空气、室内空气、车间废气中的VOCs和SVOCs。
材料释放测试：汽车内饰、家具、电子产品的VOCs释放量检测。
食品风味分析：顶空挥发性成分的富集。
呼吸气分析：疾病标志物检测。
热脱附仪的关键部件：
采样后，将此填充柱装入热脱附仪。通过快速加热并用载气反吹，将富集的化合物脱附并直接送入气相色谱仪（GC或GC-MS） 进行分析。这是其*经典的使用方式。
作为气相色谱的预柱或保留间隙柱：
在复杂分析中，有时会安装在气相色谱进样口前，用于聚焦样品，提高分析灵敏度。

浩瀚色谱（山东）应用技术开发有限公司研制的《TENAX钝化管填充色谱柱应用岛津GC2030》，在安捷伦，岛津，赛默飞，瓦里安，布鲁克，PE上测定VOCs，效果良好，结果准确
 

名称：硅烷化不锈钢填充柱

型号：TENAX,60-80目

规格：4m*1/8

zui高使用温度：350°C

应用：TVOC/VOCS/苯系物，醛，醇，酯，胺

 

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

 

Tenax TA stainless steel packed chromatography column is a stainless steel sampling/pre enrichment device based on Tenax TA adsorbent. Its core value lies in:
Efficiently and selectively capture and concentrate target VOCs from a large number of gas samples.
Resistant to high temperatures, easy to completely detach, with minimal interference with water.
Durable and sturdy, suitable for on-site sampling and automated thermal desorption analysis.
Comparison with other materials
Vs. Activated Carbon: Tenax TA has a much lower affinity for water than activated carbon, making it more suitable for moist samples. However, it has a smaller specific surface area and weaker ability to capture very light compounds.
Vs. Carbon Molecular Sieve: Carbon molecular sieves (such as Boxen) have strong retention for permanent gases and light hydrocarbons, and are often combined with Tenax TA to form multi-stage packed adsorption tubes to expand the range of analytes.
Vs. Silicone: Silicone has strong hydrophilicity and is easily saturated with water, making it unsuitable for humid environments.
Main application areas
This type of column is usually not used for conventional gas chromatography separation analysis, but is mainly used for the following pre-treatment or sampling steps:
Adsorption sampling tube:
Environmental monitoring: Collect VOCs and SVOCs from ambient air, indoor air, and workshop exhaust gases.
Material release testing: VOCs emission detection for automotive interiors, furniture, and electronic products.
Food flavor analysis: enrichment of volatile components in headspace.
Respiratory gas analysis: detection of disease biomarkers.
Key components of thermal desorption instrument:
After sampling, load this packed column into a thermal desorption instrument. By rapid heating and back blowing with a carrier gas, the enriched compounds are desorbed and directly sent to a gas chromatograph (GC or GC-MS) for analysis. This is its most classic way of use.
As a pre column or retention gap column for gas chromatography:
In complex analysis, it is sometimes installed before the gas chromatography injection port to focus the sample and improve analysis sensitivity.
The "TENAX Passivation Tube Filled Chromatography Column Application Shimadzu GC2030" developed by Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. has been used to determine VOCs on Agilent, Shimadzu, Thermo Fisher, Varian, Brooke, and PE with good results and accurate results
Name: Silanized Stainless Steel Filled Column
Model: TENAX, 60-80 mesh
Specification: 4m * 1/8
Maximum operating temperature: 350 ° C
Application: TVOC/VOCS/benzene derivatives, aldehydes, alcohols, esters, amines
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