Acta Chimica Asiana (online ISSN 2550-0503, print ISSN 2550-049x) is a peer-reviewed, open access journal that publishes high-quality original research articles as well as review articles and short communication in all areas of Chemistry, including Chemical Education and Chemical Engineering. The editors welcome original contributions that have not been published and are not under consideration elsewhere. This journal is published by the Himpunan Kimia Indonesia Cabang Nusa Tenggara (Indonesian Chemical Society, Nusa Tenggara Division). All papers published free of charge