BS ISO 23905:2020 pdf free.Cigarettes - Determination of selected phenolic compounds in cigarette mainstream smoke using HPLC-FLD. BS ISO 23905 This document specifies a method for the quantification of selected phenolic compounds by high performance liquid chromatography with fluorescence detection (HPLC-FLD) using ISO 3308 smoking parameters. The selected phenolic compounds are: hydroquinone, resorcinol, catechol, phenol, p-Cresol,m-Cresol and o-Cresol.This method is...