Spectrophotometric:
Spectrophotometric endpoint detection has been established and in recent years, this is of great significance within the titration of olefins along with electrolytically produced bromine. A few of the special benefits of the method of detection of endpoints are:
i) The exact endpoint could be denoting through extrapolation of the linear portion of the titration curves before and after the end point.
ii) Through proper choice of λmax and molar absorptivit, the sensitivity and selectivity of the techniqes could be improved.