The Quantitative Analysis of Formaldehyde Content in Tuna using Chromatropic Acid Reagent : Analisis Kandungan Formalin pada Sampel Ikan Tongkol di Pasar LKMK Siwalankerto Surabaya. Journal Pharmasci (Journal of Pharmacy and Science), [S. l.], v. 8, n. 2, p. 151–158, 2023. DOI: 10.53342/pharmasci.v8i2.370. Disponível em: https://ejournal.akfarsurabaya.ac.id/index.php/jps/article/view/370. Acesso em: 2 apr. 2026.