Assertion: amylase's effect | /r/HasProperty | tested at a ph range of 4.0 to 11.0
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Source sentences:
text: The effect of pH on α-amylase activity and stability were tested at a pH range of 4.0 to 11.0 using sodium acetate buffer (pH 4–5), sodium phosphate buffer (pH 6–7), Tris-HCl buffer (pH 8–9) and glycine-NaOH buffer (pH 10–11) at a temperature of 60°C.