Abstract
The hydrolysis of the chromate ester, derived from 1-methylcyclohexanol, was studied by electrochemical methods. Progressive and complete hydrolysis in an open or closed system yields chromic acid and 1-methylcyclohexanol. No evidence of the presence of monoester was detected. In a closed system, where most of the hydrolyzed alcohol is retained in solution, a side reaction between chromic acid and the alcohol has been detected and followed by conductivity measurements.Electrochemical characteristics of pure iron immersed in aqueous solutions containing hydrolyzed ester were found to be identical to those in aqueous solutions containing equivalent quantities of CrVI as CrO3. Sulfuric acid additions to the above solutions still give comparable electrochemical characteristics; however, the anodic current in the passive region was found to be less for solutions containing hydrolyzed ester than for solutions containing equivalent quantities of CrVI as CrO3.
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