Vol. 4 No. 1 (2021): JUNE 2021

Articles

• Using Different Size of Montmorillonite Particles for Filtration-Adsorption of Nickel Metal in Electroplating Liquid Waste

  Dyah Mustika Braniwati (Universitas Negeri Yogyakarta, Indonesia)
  Erfan Priyambodo (Universitas Negeri Yogyakarta, Indonesia)

  1-6

  Abstract View : 17

  PDF downloads: 16

  DOI : 10.21831/ijoce.v4i1.45295

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• The Effect of Acid Activated Natural Zeolite Catalyst on Further Catalytic Cracking of Liquid Product's Heavy Fraction from Plastic Waste Treatment Factory

  D. Darwanta (Universitas Cenderawasih, Indonesia)
  Zakarias Faidiban (Universitas Cenderawasih, Indonesia)
  Frans A. Asmuruf (Universitas Cenderawasih, Indonesia)

  7-14

  Abstract View : 13

  PDF downloads: 20

  DOI : 10.21831/ijoce.v4i1.45296

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• Hydration Structures and Dynamics of In3+ Ion based on Classical Molecular Dynamics Simulation

  Novan A. A. Permana (Universitas Negeri Yogyakarta, Indonesia)
  Suwardi Suwardi (Universitas Negeri Yogyakarta, Indonesia)

  15-22

  Abstract View : 15

  PDF downloads: 20

  DOI : 10.21831/ijoce.v4i1.45297

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• The Application of Carbon-Chitosan Composite Imprinted Cu in the Wastewater Treatment

  Annisa Fillaeli (Universitas Negeri Yogyakarta, Indonesia)
  Susila Kristianingrum (Universitas Negeri Yogyakarta, Indonesia)
  S. Sulistyani (Universitas Negeri Yogyakarta, Indonesia)
  Bella Fatmala (Universitas Negeri Yogyakarta, Indonesia)
  Ilham Fauzi (Universitas Negeri Yogyakarta, Indonesia)

  23-30

  Abstract View : 19

  PDF downloads: 14

  DOI : 10.21831/ijoce.v4i1.48357

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• Synthesis of ZnO Nanoparticles from Zink Acetate using Red Betel and Bay Leaves Extract and It's Application as Sunscreen

  Karim Theresih (Universitas Negeri Yogyakarta, Indonesia)
  Cornelia Budimarwanti (Universitas Negeri Yogyakarta, Indonesia)
  Indyah Sulistyo Arty (Universitas Negeri Yogyakarta, Indonesia)
  Sri Handayani (Universitas Negeri Yogyakarta, Indonesia)
  Novia Putri Ramadhani (Universitas Negeri Yogyakarta, Indonesia)
  Rakhmawati Kurniasih (Universitas Negeri Yogyakarta, Indonesia)

  31-38

  Abstract View : 24

  PDF downloads: 15

  DOI : 10.21831/ijoce.v4i1.45299

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