Chasanah, C. and Salirawati, D. 2021. The Influence of Al3+ Metal Ion in AlCl3 Compound On α- Amylase Enzyme Activity. Indonesian Journal of Chemistry and Environment. 3, 2 (Aug. 2021), 45–52. DOI:https://doi.org/10.21831/ijce.v3i2.43512.