“…The analysis of technical 1,1-bis (p-chloropheny 1) -2,2,2 -trichloroethanol which may be contaminated with 1,l-bis(p-chlorophenyl) -2,2,2-trichloroethane is based on the dehydrohalogenation of the latter yielding one Cland the hydrolysis of the former yielding 2 Cl-, followed by a Volhard titration of the chloride (91).…”