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Seven food grade antioxidants were resolved by microemulsion electrokinetic chromatography. The antioxidants included propyl gallate, octyl gallate, dodecyl gallate, butylated hydroxyanisole, butylated hydroxytoluene, tert‐butylhydroquinone and α‐tocopherol. They were resolved in 11 min using a low pH microemulsion containing 20% propan‐2‐ol. Theoretical plates in the range 39 000–95 000 per length...
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