Fig. 5From: Evaluation of stability and functionality of zinc oxide nanofluids for enhanced oil recoveryAbsorbance from UV–vis spectrophotometry test of ZnO nanofluids with stabilizing agents at a varying wavelength of 200–900 nm (a), Spectra absorbance of ZnO nanofluid with stabilizing agents at a fixed wavelength of 600 nm (b)Back to article page