Fathurrahman, Muhammad, Universitas Pakuan, Indonesia

• Vol 2, No 1 (2022): Helium: Journal of Science and Applied Chemistry - Articles
  Optimization of Adsorption of Eugenol-Silica Gel Composites to Metal Ions Cu (II) Using Box Behnken Method
  Abstract  PDF
• Vol 3, No 1 (2023): Helium: Journal of Science and Applied Chemistry - Articles
  Utilization of Tea Waste Activated by Using Hydrochloric Acid as An Adsorbent for Calcium (II) Ions in Hard Water
  Abstract  PDF
• Vol 3, No 2 (2023): Helium: Journal of Science and Applied Chemistry - Articles
  Determination of Biodegradation Rate of Bioplastic with Controlled Environment
  Abstract  PDF