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- Title
UPLC-Q-TOF/MS 法测定 2, 6-二叔丁基对甲酚.
- Authors
郑凌云; 周秋菊; 李 飒; 王玲玲; 姜 勇
- Abstract
A method for the determination of 2, 6-di-tert-butyl paracresol was developed based on ultra performance liquid chromatography-quadrupole-time-of-flight mass spectrometry (UPLC-Q-TOF/MS). The column used was Waters ACQUITY UPLC HEH C18 (2. 1 mmX50mmX1. 7 μm), with the mobile phase of water and acetonitrile (30: 70, v : v) as the mobile phase and the ESl-/APCI composite source was selected in the full scan mode. A good linear relationship for 2, 6-di-tert-butyl paracresol was obtained within the concentration range of 5~50 mg/L, with the limit of detection of 0. 2 μg/g, the limit of quantification of 0. 7 μg/g, the recovery of 95 % ~ 100 %, and the relative standard deviation was less than 1 % ( n = 6). This method has been used to measure the content of HHT in cookies.
- Publication
Journal of Xinyang Normal University Natural Science Edition, 2021, Issue 4, p630
- ISSN
1003-0972
- Publication type
Article
- DOI
10.3969/j.issn.1003-0972.2021.04.020