Figure 4. AFM images showing surface roughness of the twelve bioplastic membranes blended from gum Arabic (GA) and polyvinyl alcohol (PVA) with the different ratios in absence and presence of potassium di-chromate (K2Cr2O7): a-f) GA/PVA ratios: a) 1/0, b) 1/0.25, c) 1/0.5, d) 1/0.75, e) 1/1 and 0/1

From

Effect of Potassium Dichromate on Properties and Biodegradation of Gum Arabic Based Bioplastic Membranes

Sherif S. Z. Hindi, Mona O. Albureikan, Attieh A. Al-Ghamdi, Haya Alhummiany, Sana M. Al-Sharabi

Nanoscience and Nanotechnology Research. 2017, 4(2), 49-58 doi:10.12691/nnr-4-2-3