Evaluation Method of Emulsion Using Chemical Oxygen DemandKaiki Amagu, Riho Okajima, Moe Shimizu, Makoto Nishimoto, Kazuhito Nagayama, Takashi Hata, Yusuke Nishiuchi and Kaori TadaMATEC Web Conf., 333 (2021) 11009DOI: https://doi.org/10.1051/matecconf/202133311009