Comparative Determination of Ascorbic Acid in Apple (Malus Pumila), Lime (Citrus Aurantiifolia) andWatermelon (Citrullu Lanatus) Using Uv Spectrophotometric and Titrimetric Methods. Nigerian Journal of Pharmaceutical and Biomedical Research (NJPBR), [S. l.], v. 6, n. 1, p. 10–17, 2026. DOI: 10.55639/seet6w51. Disponível em: https://njpbr.com.ng/index.php/journals/article/view/53. Acesso em: 16 sep. 2026.