Application Note: Determination of BHT in Rolling Oil
10 March 2014

This application note describes a robust and sensitive HPLC method for the determination of butylated hydroxytoluene (BHT, 2,6-di-tert-butyl-4-methylphenol) also known as E321 in rolling oil. The study analyses and compares a fresh rolling oil sample without additive and a sample of used rolling oil containing BHT.