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在研制成功高效烯烃可逆吸附剂AD-1的基础上,开发了一套适于日常分析的高稳定性专用SOA分析系统和相应的分析方法。分析样品时,样品先进入极性分析柱(COL.1),芳烃留在柱中,烯烃与烷烃继续进入可逆吸附柱(COL.2)。烯烃被吸附,烷烃进入检测器,待饱和烃全部流出后,切换十通阀反吹芳烃,待芳烃完全流出后再将十通阀切换回进样状态,同时将吸附柱升温至200℃,使烯烃脱附出来,利用积分仪以面积归一法计算出样品中的饱和烃(S)、芳烃(A)及烯烃(O)的含量。至此完成一次样品分析。
Based on the successful development of AD-1, which is a highly efficient olefin reversible adsorbent, a set of high-stability special SOA analysis system and corresponding analysis method suitable for daily analysis have been developed. When analyzing the sample, the sample enters COL.1, the aromatics remain in the column, and the olefin and alkane continue to enter the reversible column (COL.2). Olefin is adsorbed, alkanes into the detector until all the saturated hydrocarbons outflow, switch ten-way valve back to blow aromatics until the aromatics completely out and then the ten-way valve to switch back to the sample state, while the adsorption column was warmed to 200 ℃, so that The olefin is desorbed, and the content of saturated (S), aromatic (A) and olefin (O) in the sample is calculated by area normalization using an integrator. To complete a sample analysis.