OPTIMASI IDENTIFIKASI BORAKS MENGGUNAKAN PEREAKSI DIETILDITIOKARBAMAT SECARA SPEKTROFOTOMETRI UV-Vis. JPFI [Internet]. 2018 May 31 [cited 2026 May 26];4(2). Available from: https://ejournal.stifar-riau.ac.id/index.php/jpfi/article/view/145