Preservation time and relative rectification factor of hydroquinone,tert-butyl hydroquinone and 2,5-di-tert-butyl hydroquinone were determined.

• 测定了对苯二酚、叔丁基对苯二酚、2,5-二叔丁基对苯二酚的保留时间和相对校正因子,回收率分别为100。