Figure 1. XRD dffractograms of the twelve bioplastic membranes blended from gum Arabic (GA) and polyvinyl alcohol (PVA) with different ratios, namely GA/PVA of: a) 1/0, b) 1/0.25, c) 1/0.5, d) 1/1.75, e) 1/1, and f) 0/1 in absence and presence of potassium di-chromate (K₂Cr₂O₇).in wavenumber range of 3500 to 500 cm^-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

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