MONTS’O, Kaneoa E.; TS’EMANE , Rapelang; MPAKANYANE , Teboho E.; MASILOANE-BOHLOKO, Selloane C.; RAMASHAMOLE , Thato V.; GEORGE, Mosotho. Development of a ‘drop-count’ method for the screening of the ethanol content in hand sanitisers using oxalic acid and potassium permanganate titrimetry. Orapuh Journal, [S. l.], v. 3, n. 1, p. e901, 2022. DOI: 10.4314/orapj.v3i1.1. Disponível em: https://orapuh.org/jr/orapj/article/view/e901. Acesso em: 24 jun. 2026.