Fig. 4From: Three developed spectrophotometric methods for determination of a mixture of ofloxacin and ornidazole; application of greenness assessment toolsa: Mean Centering of the ratio spectra of OFL in concentration range (2–15 µg/mL) using (5 µg/mL) ORN as a divisor at 296 nm in methanol; b: Mean Centering of the ratio spectra of ORN in concentration range (3–30 µg/mL) using (4 µg/mL) OFL as a divisor at 315 nm in methanolBack to article page