Vol 3, No 2 (2020)

DECEMBER 2020

Table of Contents

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
10.21831/ijce.v3i2.43507
PDF
1-10
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
10.21831/ijce.v3i2.43508
PDF
11-20
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
10.21831/ijce.v3i2.43509
PDF
21-28
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
10.21831/ijce.v3i2.43510
PDF
29-38
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
10.21831/ijce.v3i2.43511
PDF
38-44
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
10.21831/ijce.v3i2.43512
PDF
45-52