The current density of hydroxyapatite electrosynthesis by ion exchange resin chambersAdrian Nur, Nazriati Nazriati, Arif Jumari, Ega Fitri Novita Santi and Shafira Yaumil AsiffaMATEC Web Conf., 101 (2017) 03004DOI: https://doi.org/10.1051/matecconf/201710103004