PURWANTI N. KAPASITAS ADSORPSI BENTONIT TEKNIS SEBAGAI ADSORBEN LOGAM BERATCu(II) DENGAN PESAING ION Ca2+CAPACITY OF ADSORPTION A TECHNICAL BENTONITE AS AN ADSORBENT OFHEAVY METAL Cu(II) WITH IONS Ca2+ COMPETITORS. UJC [Internet]. 2014 Oct. 14 [cited 2025 Nov. 8];3(3). Available from: https://ejournal.unesa.ac.id/index.php/unesa-journal-of-chemistry/article/view/9811