Maturell- Portuondo, Amanda, Freddy Fong - Casas, Harold Crespo - Sariol, and Yudith González - Díaz. “Ammonia Spectrophotometric Method for Evaluating Activated Carbon Exhaustion in Cuban Rum Production”. Chemical Technology 46 (June 12, 2026): 199-210. Accessed June 15, 2026. https://tecnologiaquimica.uo.edu.cu/index.php/tq/article/view/5539.