Divakar, N.G.Rao, U.N.N.2015-06-192015-06-191974Tea Quarterly44(2-3)pp.120-121https://dl-tri.nsf.gov.lk/handle/1/111BiochemistryBlack tea leavesPolyphenolChromogenic reagentPaper chromatographyUse of tea polyphenols as chromogenic reagents in the paper chromatography of iron and aluminiumArticle