Tenax采樣管作為采集室內(nèi)空氣中TVOC的采樣管，經(jīng)過解吸或長時間存放后，吸附劑中會殘留或吸附部分雜質(zhì)，影響吸附管內(nèi)吸附劑的性能，使用前必須進(jìn)行活化再生處理。Tenax-TA吸附管，芝麻香白酒，3-甲硫基丙醇，乙酸乙酯，二叔丁基過氧化物，消毒劑，氨水，裂解進(jìn)樣器...

Tenax-TA吸附管
Tenax-TA吸附管 詳細(xì)信息：


Tenax-TA熱解吸型TVOC采樣管

Tenax-TA采樣管吸附劑化學(xué)名：2,6二苯呋喃多孔聚合物，表面積35m2/g；孔體積2.4cm3/g；平均孔徑200nm；密度0.25g/cm3
內(nèi)裝美國原裝進(jìn)口Tenax-TA吸附劑，用于室內(nèi)空氣中總揮發(fā)性有機(jī)物（TVOC）的采集。
常用的規(guī)格有：6*150mm，6*200mm。其他規(guī)格可定做。

直型玻璃管：長度150㎜ 內(nèi)徑4mm 外徑6mm 填充物質(zhì)量200mg

    直型不銹鋼：長度150㎜ 內(nèi)徑5mm 外徑6mm 填充物質(zhì)量200mg

U 型不銹鋼：長度150㎜ 內(nèi)徑5mm 外徑6mm 填充物質(zhì)量200mg

Tenax采樣管作為采集室內(nèi)空氣中TVOC的采樣管，經(jīng)過解吸或長時間存放后，吸附劑中會殘留或吸附部分雜質(zhì)，影響吸附管內(nèi)吸附劑的性能，使用前必須進(jìn)行活化再生處理。按照現(xiàn)有的活化規(guī)程，將吸附管置于320度恒溫爐中，通入40ml/min流量的高純氮氣，直用氣象色譜儀檢測吸附管中無雜質(zhì)峰為止。活化過程需要6~8小時方可滿足分析，測試要求，成本高、效率低，無法滿足日常檢測工作的需要。而利用熱解吸的吹掃功能，選擇合適的洗脫劑，可以實現(xiàn)對Tenax-TA采樣管的快速活化。



Tenax-TA吸附管
室內(nèi)空氣污染物TVOC應(yīng)用譜圖如下


Tenax-TA thermal desorption TVOC sampling tube

Tenax-TA sampling tube adsorbent Chemical name: 2,6 Dibenzofuran porous polymer, surface area 35m2 / g; Pore volume 2.4cm3 / g; Average pore size 200nm; Density 0.25g / cm3
Contains the United States imported Tenax-TA sorbent for indoor air total volatile organic compounds (TVOC) collection.
Commonly used specifications are: 6 * 150mm, 6 * 200mm. Other specifications can be customized.

Straight glass tube: length 150mm diameter 4mm diameter 6mm filler quality 200mg

Straight stainless steel: length 150mm diameter 5mm diameter 6mm filler quality 200mg

U-type stainless steel: length 150mm diameter 5mm diameter 6mm filler quality 200mg

Tenax sampling tube is used to collect TVOC sample tube in indoor air. After desorption or storage for a long time, some impurities will be left or adsorbed in the adsorbent, which will affect the performance of adsorbent in adsorption tube. In accordance with the existing activation procedures, the adsorption tube placed in a 320-degree furnace, the flow of 40ml / min flow of high purity nitrogen, until the gas chromatograph with no impurities in the absorption tube peak. Activation process takes 6 to 8 hours to meet the analysis, testing requirements, high cost, low efficiency, can not meet the needs of routine testing. The rapid activation of the Tenax-TA sampling tube can be achieved by selecting the appropriate eluent using the thermal desorption purge function.

Indoor air pollutants TVOC application spectrum is as follows

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