Online First

Articles accepted and published online ahead of issue assignment. These are final, citable versions.

Online First Research Article

Effect of Calcination Temperature on Lattice Contraction in Hydrothermally Grown Monoclinic BiVO4 for Photocatalytic Dye Degradation

Alex Triputra Lumban Tobing, Rima Nurfitria, Rizky Aflaha, Quratul Aini

Oct 12, 2026 10.62755/gsm.2026.11 8 views 6 downloads
Online First Research Article

Effect of Precursor-Solution pH on the Phase Composition and Microstructure of Precipitated NiO, and By-Product Retention in Hydrothermally Derived NiO–MnO2 Powders

Bayu Prasetya, Jihan F. Naila, Resti Marlina, Wahyu S. Sipahutar, Eka Nurfani

Oct 11, 2026 10.62755/gsm.2026.10 11 views 10 downloads
Online First Research Article

Influence of the Bismuth Precursor on Phase Purity and Photocatalytic Activity of Hydrothermally Synthesised BiVO4 for Dye and Antibiotic Degradation

Rima Nurfitria, Nadiya Rifqah Kurnia, Alex Triputra Lumban Tobing

Sep 29, 2026 10.62755/gsm.2026.09 30 views 37 downloads
Online First Research Article

Equal Surface Oxygen, Different Adsorbent: Ammonium Persulfate Demineralises NaOH-Activated Plastic Pyrolytic Char While Hydrogen Peroxide Does Not

Nabila Putri Insani, Michelle Simanjuntak, Asri Saffanah Pratiwi, Sephia Amanda Muhtar, Adri Huda, Irwan Kurnia, Joko Waluyo, Tarmizi Taher

Sep 24, 2026 10.62755/gsm.2026.08 58 views 39 downloads
Online First Research Article

Comparative Study on Cu(II) and Pb(II) Removal from Water Using MnFe2O4 and MnFe2O4/Zeolite Hybrid Adsorbents

Ramlan, Luh Ayu Melinia, Endah Puspita, Marzuki Naibaho, Akmal Johan, Akhmad Aminuddin Bama, Masno Ginting

Jul 7, 2026 10.62755/gsm.2026.07 90 views 53 downloads