Rapid Determination of Dibutyl Phthalate in White Liquor by High-Performance Liquid Chromatography

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关键词: 高效液相色谱食品添加剂邻苯二甲酸二丁酯快速检测 HPLC Food Additive Dibutyl Phthalate Rapid Detection

摘要: Objective: To develop a rapid method for determining dibutyl phthalate in white liquor using high-performance liquid chromatography . Methods: The samples were filtered through the 0.22 μm microporous membrane and dried using a nitrogen blower. Following methanol adjustment, the HPLC technique was employed for analysis at 225 nm. The external standard method was used for quantitative analysis. Results: The pretreatment method is simple and easy to operate. The method exhibited good linearity in...更多; Objective: To develop a rapid method for determining dibutyl phthalate in white liquor using high-performance liquid chromatography . Methods: The samples were filtered through the 0.22 μm microporous membrane and dried using a nitrogen blower. Following methanol adjustment, the HPLC technique was employed for analysis at 225 nm. The external standard method was used for quantitative analysis. Results: The pretreatment method is simple and easy to operate. The method exhibited good linearity in the range of 0.5 to 20 μg/mL for DBP analysis, with correlation coefficients above 0.999. The limit of detection was found to be 0.05 μg/mL, and the average recoveries ranged from 93.5% to 105.9%, with a relative standard deviation of less than 10%. Conclusion: The method is accurate, reproducible, simple and easy to operate, which could be applied to the determination of dibutyl phthalate in white liquor.收起

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