SIREGAR, F. I.; NAINGGOLAN, R.; AZIZAH, N.; SIDAURUK, T. V.; KABAN, M. Effectiveness of Purple Cabbage Flower (Brassica oleracea var. capitata f. rubra) Extract as a Natural Indicator for Borax Identification in Food Products. BIOCHEPHY: Journal of Science Education, [S. l.], v. 6, n. 1, p. 105-112, 2026. DOI: 10.52562/biochephy.v6i1.1970. Disponível em: https://www.journal.moripublishing.com/index.php/biochephy/article/view/1970. Acesso em: 5 jun. 2026.