浩瀚Tenax-ta吸附管应用之安捷伦7890B测密闭环境苯系物1/4-3.5英寸

研究Tenax-TA吸附管对密闭环境中苯系物的吸附性。浩瀚色谱（山东）应用技术开发有限公司，依据《室内空气质量标准》总挥发性有机物的测定方法,用Tenax-TA吸附管对配制的苯系物标准气体进行采样,以保留时间定性,峰面积定量。结果该方法对苯系物测定的相对标准偏差在4.50%～9.51%之间,苯、甲苯、对二甲苯、邻二甲苯的*低检出浓度分别为0.04,0.65,0.50和1.60μg/m3。当采样体积不大于3 L时,Tenax-TA采样管没有穿透现象发生,苯系物通过Tenax-TA管吸附采样后在室温下可以保存40 d。结论 Tenax-TA吸附管对苯系物具有良好的吸附性能,而且设备简单,样品保存时间长,适合于一些特殊环境中气体的采集。

名称：吸附管
规格：1/4*3.5in
Study the adsorption properties of Tenax TA adsorption tubes for benzene derivatives in a closed environment. Haohan Chromatography (Shandong) Application Technology Development Co., Ltd., based on the determination method of total volatile organic compounds in the Indoor Air Quality Standards, samples the prepared benzene based standard gas using Tenax TA adsorption tubes for qualitative retention time and quantitative peak area. The relative standard deviation of this method for the determination of benzene derivatives ranged from 4.50% to 9.51%. The lowest detected concentrations of benzene, toluene, xylene, and o-xylene were 0.04, 0.65, 0.50, and 1.60 μ g/m3, respectively. When the sampling volume is not greater than 3 L, there is no penetration phenomenon in the Tenax TA sampling tube, and the benzene series can be stored at room temperature for 40 days after adsorption sampling through the Tenax TA tube. Conclusion: Tenax TA adsorption tube has good adsorption performance for benzene derivatives, and the equipment is simple with long sample storage time, making it suitable for gas collection in some special environments.
Name: Adsorption Tube
Specification: 1/4 * 3.5in