... dich: phenol 0,01 M + H2SO4 0,5 M (1), H2SO4 0,5 M (2) So chu ki Hinh 5: Sir suy giam ddng oxi hda phenol theo sd chu ki phan eye 3. Do tdng trd dien hoa oxi hda phenol Phan ling oxi ... hda nudc. Khi cho them phenol ndng do 0,01 M, d dien the 1 V/SCE cd sir tang len ciia mat do ddng pic tucmg ling voi qua trinh oxi hoa phenol. Mat do ddng oxi hda phenol tai dien the' ... dung la phenol 0,01 M -l-H2SO4 0,5 M. Chi sd COD ciia dung dich co chira phenol d nhifng thdi gian oxi hda khac nhau dugc xac dinh bang kalibicromat. Lay 2 ml mSu dung dich cd chiia phenol...