SCIENCE AND TECHNOLOGY OF CEREALS, OILS AND FOODS

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Detection of tert-butylhydroquinone in oil by electrochemical reduction
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    Abstract:

    Tert-butylhydroquinone(TBHQ)in oil was detected by liquid chromatography-electrochemical reduction device.The sample was mixed with acetonitrile,extracted by ultrasound, filtrated by centrifuge and determined.The results showed good linearity for TBHQ with the concentration in the range of 0.50~30.00 mg/L,the correlation coefficient 0.998 7,the minimum detection limit 0.05 mg/L,RSD 1.78%,the recovery 90.32%~93.40%.To affect the result caused by TBHQ being oxidized during storage was avoided by electrochemical reduction.This method is simple in sample pretreatment,has good stability,accuracy and reliability.

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  • Received:
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  • Online: April 11,2014
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