Asra, Ridho, Zulharmita Zulharmita, and Isa Rondasi. “ANALISIS KUANTITATIF NATRIUM BENZOAT PADA KECAP KEDELAI MANIS PRODUKSI LOKAL DI KOTA PADANG DENGAN METODE SPEKTROFOTOMETRI ULTRAVIOLET-VISIBLE QUANTITATIVE ANALYSIS OF SODIUM BENZOATE FROM SOYBEAN SWEET SAUCES IN PADANG CITY BY USING ULTRAVIOLET-VISIBLE SPECTROPHOTOMETRY”. Borneo Journal of Pharmascientech 3, no. 1 (May 29, 2019). Accessed July 18, 2025. https://mail.jurnalstikesborneolestari.ac.id/index.php/borneo/article/view/210.