Purwandari, Vivi, <p>Kimia, Fakultas Sain, Teknologi dan Informasi, Universitas Sari Mutiara (USM), Medan-Indonesia</p>

• The 14th AIC 2024 on Environmental & Life Sciences - Environmental Science
  Modification Paste Electrode of Fe3O4/Nano Graphene Oxide Nanomagnetic from Sawah Lunto Coal (West Sumatera) for Voltammetric Mercury Detection
  Abstract