Abstract:

A new subtraction method for determination of the organic chlorine content in crude oils was proposed. The spiked recovery test was conducted under the optimized extraction conditions for inorganic chlorides in crude oils. The experiment results indicate that the given method is feasible for determination of organic chlorine content in crude oils. It not only avoids the limitations of GB/T 18612, but also better solves the problem of poor reliability in the existing subtraction method.

Key words: crude oil, organic chlorine, analysis