Bial's reagent consists of 0.4 g orcinol, 200 ml of concentrated hydrochloric acid and 0.5 ml of a 10% solution of ferric chloride.
Metshwako ya Bial e dirilwe ka 0.4gm orcin,dimelemetha dile makgolo a mabedi (200 ml) tsa motswako yo tseneletseng wa hydrochloric acid le 0.5 ml ya dipesente dile lesome (10%) tse motswako wa ferric chloride [1].