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从洗油中分离出来的芴在新材料、医药、催化剂等领域取得广泛应用。实验研究表明芴、氧芴、苊各物质的吸光度在一定浓度范围内服从朗贝-比耳定律且具有良好的加和性。根据芴、氧芴、苊紫外吸收光谱图,选择参比波长为227nm、261nm、281nm较为合适,采用三波长分光光度法可以同时对芴、氧芴、苊进行测定。基于三波长分光光度法的方程组特点,运用M A T L A B软件编写程序,建立求解三波长分光光度法的方程组。为了验证该方法的可行性,进行了加标回收实验,结果表明相对误差可以控制在0.33%—2.5%之间,回收率在97.5%以上,此方法具有快速、简便、检测费用低、准确度高的特点,能够满足分析多组分样品的要求。
Fluorene, which is separated from wash oil, is widely used in new materials, medicine, catalysts and other fields. Experimental studies have shown that fluorene, fluorene, 苊 absorbance of each substance in a certain concentration range subject to the Lambert-Beer’s law and has good additivity. According to fluorene, fluorene and fluorene UV absorption spectra, the optimal selection of reference wavelength is 227nm, 261nm and 281nm, and the fluorene, fluorene and fluorene can be determined simultaneously by the three-wavelength spectrophotometry. Based on the characteristics of the system of three-wavelength spectrophotometry, a program was developed by using MCA TLA software to establish the equations for solving the three-wavelength spectrophotometry. In order to verify the feasibility of this method, a spike recovery experiment was carried out. The results showed that the relative error could be controlled between 0.33% -2.5% and the recovery rate was above 97.5%. This method has the advantages of fastness, simplicity, low detection cost and accuracy High characteristics to meet the requirements of multi-component analysis of samples.