Fig. 3

A stacked FTIR spectra plot of SA1 at different pH (pH 6, 7and 11) in the control condition and when exposed to Cr(VI) at 400 µg mL− 1 stress at 35ºC.

A stacked FTIR spectra plot of SA1 at different pH (pH 6, 7and 11) in the control condition and when exposed to Cr(VI) at 400 µg mL− 1 stress at 35ºC.