Vol. 3 No. 2 (2020): DECEMBER 2020

Articles

• The Decreasing of Copper (Cu) and Lead (Pb) Concentration in Electroplationg Liquid Waste with Coconut Coir Adsorbent

  Sanita Tyas Safitri (Universitas Negeri Yogyakarta, Indonesia)
  Susila Kristianingrum (Universitas Negeri Yogyakarta, Indonesia)

  1-10

  Abstract View : 18

  PDF downloads: 15

  DOI : 10.21831/ijce.v3i2.43507

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• Antioxidant Activity Testing of Extract Kweni Peel (Mangifera odorata Griff)

  Yolanda Dwi Lestari (UIN Raden Fatah Palembang, Indonesia)
  Suci Permatasari (UIN Raden Fatah Palembang, Indonesia)
  Ade Oktasari (UIN Raden Fatah Palembang, Indonesia)

  11-20

  Abstract View : 13

  PDF downloads: 38

  DOI : 10.21831/ijce.v3i2.43508

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• Optimization of Energy and Time Variations for Synthesis of N doped TiO2 Nanotube using Microwave-Asssisted Hydrothermal Method

  Cindy Candrika Anugrahayu (Universitas Negeri Yogyakarta, Indonesia)
  Cahyorini Kusumawardani (Universitas Negeri Yogyakarta, Indonesia)

  21-28

  Abstract View : 15

  PDF downloads: 17

  DOI : 10.21831/ijce.v3i2.43509

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• Utilization of Coffee Waste as Active Charcoal For Purification of Waste Cooking Oil

  Salma Husna Sukmawati (Universitas Negeri Yogyakarta, Indonesia)
  Sunarto Sunarto (Universitas Negeri Yogyakarta, Indonesia)

  29-38

  Abstract View : 31

  PDF downloads: 37

  DOI : 10.21831/ijce.v3i2.43510

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• The Optimazion of Bioethanol Production from Rice Husk using Simultanous Saccharification and Fermentation Methods

  Yuliana Wanda Puspitasari (Universitas Negeri Yogyakarta, Indonesia)
  Senam Senam (Universitas Negeri Yogyakarta, Indonesia)

  38-44

  Abstract View : 10

  PDF downloads: 19

  DOI : 10.21831/ijce.v3i2.43511

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• The Influence of Al3+ Metal Ion in AlCl3 Compound On α- Amylase Enzyme Activity

  Choirul Chasanah (Universitas Negeri Yogyakarta, Indonesia)
  Das Salirawati (Universitas Negeri Yogyakarta, Indonesia)

  45-52

  Abstract View : 20

  PDF downloads: 23

  DOI : 10.21831/ijce.v3i2.43512

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