Vol. 5 No. 1 (2022): JUNE 2022

Articles

• Preliminary Study of Profenofos and Difenoconazole Pesticide Residue in Soil and Citrus Fruits from Citrus Farming in Serai Village Kintamani Bangli

  I Wayan Muderawan (Universitas Pendidikan Ganesha, Indonesia)
  Luh Mitha Priyanka (Universitas Pendidikan Ganesha, Indonesia)
  I Nengah Suparta (Universitas Pendidikan Ganesha, Indonesia)

  1-8

  Abstract View : 18

  PDF downloads: 22

  DOI : 10.21831/ijoce.v5i1.49347

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• Fatliquor Development from Hemp Oil to Produce High Quality Natural Finished Leather

  Sarwat Jahan Mahboob (PCSIR, Leather Research Centre, D 102, SITE, South Avenue, Karachi, Pakistan, Pakistan)

  9-16

  Abstract View : 24

  PDF downloads: 34

  DOI : 10.21831/ijoce.v5i1.51418

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• The Effect of the Hydrothermal Time and Temperature in the Synthesis to the Properties of Nitrogen-doped TiO2

  Misbah Rijal Ulhaq (Universitas Negeri Yogyakarta, Indonesia)
  Cahyorini Kusumawardani (Universitas Negeri Yogyakarta, Indonesia)

  17-24

  Abstract View : 40

  PDF downloads: 70

  DOI : 10.21831/ijoce.v5i1.51822

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• Preparation of Cobalt-Silica Dioxide (CoxSiO2) Catalyst through Impregnation Method

  Isthifaul Mawaddah (Universitas Negeri Yogyakarta, Indonesia)
  M. Pranjoto Utomo (Universitas Negeri Yogyakarta, Indonesia)

  25-30

  Abstract View : 16

  PDF downloads: 19

  DOI : 10.21831/ijoce.v5i1.51823

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• Methyl Orange Dye Removal through Adsorption using TiO2 modified Montmorillonite Granule

  Dewi Yuliana (Universitas Negeri Yogyakarta, Indonesia)
  Erfan Priyambodo (Universitas Negeri Yogyakarta, Indonesia)

  31-36

  Abstract View : 14

  PDF downloads: 30

  DOI : 10.21831/ijoce.v5i1.51824

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