Vol. 12 No. 2 (2023)

Articles

• Degradation of Natural Rubber as Asphalt Mixes Modifier using UV-Ozone Light

  Irene I. C. Ritonga, Tamrin Tamrin, Marpongahtun Marpongahtun

  78-85

  • DOWNLOAD PDF

• Potential Antioxidant Activity in Octyl p - Methoxycinnamate (OPMC) Compound Synthesized by Sonochemical Method

  Erwin Indriyanti, Dhimas Adhityasmara, Masitoh S. Praharsiwi, Ahmad Wildan, Ahmad F. Masduqi, Mighfar Syukur, Erlita V. Mutiara, Rahmawati S. Dinurrossifa

  100-107

  • DOWNLOAD PDF

• SPF Activity Sunscreen Spray Gel Ethanol Extract of Cinnamon Bark (Cinnamomum burmanii Ness. BI, Syn)

  Wulan K. Sari, Rika S. Kristantri, Tris H. Pebriani

  132-141

  • DOWNLOAD PDF

• Performance of The Composite Electrode of Reduced Graphene Oxide Palm Oil Shell - Zinc Oxide (rGOCKS - ZnO) as a Chemical Oxygen Demand (COD) Sensor by Photoelectrocatalysis

  Thamrin Azis, Muhammad Z. Muzakkari, Muh. Nurdin, Maulidiyah Maulidiyah, Wa O. Muslia, Catherina M. Bijang, Tahril Tahril

  123-131

  • DOWNLOAD PDF

• Morphological Effect on Swelling Behaviour of Carboxymethyl Cellulose–Maleic Acid Hydrogel Modified with Kombucha Bacterial Cellulose

  Tanty N. Siahaan, Basuki Basuki, Amir H. Siregar, Dede I. Muthawali

  86-91

  • DOWNLOAD PDF

• Effect of Avocado Leaves Extract on Creatinin and Urea Levels in Rats Induced NaCl and Prednison

  Hilya U. Najwa, Novi Elisa, Ika Puspitaningrum, Ebta N. Anggraeny , Aries K. Sundoro

  108-115

  • DOWNLOAD PDF

• Synthesis of Fluorescent Carbon Dots from Soybean Residuals Using Hydrothermal Method

  Dinda G. Ayu, Saharman Gea, Andriayani Andriayani, Ronn Goei

  71-77

  • DOWNLOAD PDF

• Synthesis of Silver Nanoparticles using Gandaria Seeds Bioreductor

  Catherina M. Bijang, Nurani Hasanela, Shielda N. Joris, Eirene G. Fransina, Tahril Tahril, Thamrin Azis, Ahmadin Tehuayo

  142-148

  • DOWNLOAD PDF

• Antioxidant Activity Test of Ethanolic Extract of Tempuyung Leaves (Sonchus Arvensis L.) Based on Linoleic - Thiocyanic Method

  Agus Suprijono, Dian Sulistiani, Sarosa Purwadi

  116-122

  • DOWNLOAD PDF

• Analysis of Water-Soluble Vitamin Change in Tomato (S.lycopersicum) Due to Ozonolysis of Imidacloprid Degradation Treatment by Using Spectrometry and HPLC Method

  Tysa Donanita, Safni Safni, Suryati Suryati

  92-99

  • DOWNLOAD PDF