Published: September 1, 2023

Inhibition of Steel Corrosion Rate in Sulfuric Acid Solution with Various Concentrations Using Soursop (Annona muricata L.) Leaf Extract Inhibitor

Tsaniyah Wulandari (1), Asdim Asdim (2), Mas Ayu Elita Hafizah (3)
(1) Program Studi Teknologi Persenjataan, Fakultas Sains dan Teknologi Pertahanan, Universitas Pertahanan RI, Indonesia ,
(2) Program Studi Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Bengkulu, Indonesia ,
(3) Program Studi Teknologi Persenjataan, Fakultas Sains dan Teknologi Pertahanan, Universitas Pertahanan RI, Indonesia
97-105
254

Direct Cu, Fe, and Ni Ions Multicomponent Analysis Using UV-Vis Spectrophotometric Method

Suprapto - Suprapto (1), Yatim Lailun Ni'mah (2), Feraldy A. Putrama (3)
(1) Chemistry Department, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia ,
(2) Chemistry Department, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia ,
(3) Chemistry Department, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia
106-115
178

Quality Analysis of Cloth Masks: Study of Material Types on Physical, Chemical, and Antibacterial Properties

Sayekti Wahyuningsih (1), Ari Handono Ramelan (2), Selfi Handayani (3), Nanang Wiyono (4), Sentot Budi Rahardjo (5), Agus Supriyanto (6), Windy Ayu Lestari (7), Retno Hartati (8), Rahmat Hidayat (9)
(1) Electronic Materials and Energy Research Group, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Indonesia ,
(2) Electronic Materials and Energy Research Group, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Indonesia ,
(3) Medical Doctor Study Program, Medical Faculty, Universitas Sebelas Maret, Indonesia ,
(4) Integrated Laboratory, Universitas Sebelas Maret, Indonesia ,
(5) Electronic Materials and Energy Research Group, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Indonesia ,
(6) Electronic Materials and Energy Research Group, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Indonesia ,
(7) Electronic Materials and Energy Research Group, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Indonesia ,
(8) Integrated Laboratory, Universitas Sebelas Maret, Indonesia ,
(9) Department of Agricultural Technology, Politeknik Negeri Lampung, Indonesia
116-123

Synthesis and Characterization of Silver Nanoparticles (AgNPs) using Chemico-physical Methods

Tooba Siddiqui (1), Mohammad Khalid Zia (2), Mohammad Muaz (3), Haseeb Ahsan (4), Fahim Halim Khan (5)
(1) Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, India ,
(2) Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, India ,
(3) Interdisciplinary Nanotechnology Centre, Aligarh Muslim University, India ,
(4) Department of Biochemistry, Faculty of Dentistry, Jamia Millia Islamia, India ,
(5) Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, India
124-132
279

Functional Group Identification and Toxicity of Piper crocatum Red Betel Acetone Extract against Artemia salina by Brine Shrimp Lethality Test Method

Septaria Yolan Kalalinggi (1), Nunuk Hariani Soekamto (2), Firdaus (3)
(1) Program Studi Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Palangka Raya, Indonesia ,
(2) Departemen Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Hasanuddin, Indonesia ,
(3) Departemen Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Hasanuddin, Indonesia
133-142
371

Synthesis of Bamboo-based Activated Carbon through Physico-chemical Activation for Coal-runoff Wastewater Treatment

Anggi Saputra (1), Oktaf Rina (2), Rahmat Hidayat (3), Murni Fitria (4), Syahdilla Anggiva Akhni (5), Ajis Purnomo (6), Aang Haryadi (7)
(1) Department of Agricultural Technology, Politeknik Negeri Lampung, Indonesia ,
(2) Department of Agricultural Technology, Politeknik Negeri Lampung, Indonesia ,
(3) Department of Agricultural Technology, Politeknik Negeri Lampung, Indonesia ,
(4) Department of Agricultural Technology, Politeknik Negeri Lampung, Indonesia ,
(5) Graduate Program of Food Security , Politeknik Negeri Lampung, Indonesia ,
(6) PT. Bukit Asam Tbk., Tarahan, Panjang, Bandar Lampung, Indonesia ,
(7) PT. Hanan Alam Utama, Bandar Lampung , Indonesia
143-150
141

Microplastic Removal in Krueng Aceh River Water Using Ultrafiltration Membrane from Polyethersulfone Polymer (PES)

Haifa Dzihninafira (1), Abd Mujahid Hamdan (2), Fachrul Razi (3)
(1) Department of Environmental Engineering, UIN Ar-Raniry Banda Aceh, Indonesia ,
(2) Department of Physics, UIN Ar-Raniry Banda Aceh, Indonesia ,
(3) Department of Chemical Engineering , Universitas Syiah Kuala Banda Aceh, Indonesia
151-163
295

Reducing Chemical Oxygen Demand and Turbidity Levels in Laundry Waste Using Activated Carbon from Water Hyacinth Leaves

Cucun Alep Riyanto (1), Nur Ayu Hidayati (2), Yohanes Martono (3)
(1) Chemistry Department, Universitas Kristen Satya Wacana, Central Java, Indonesia ,
(2) Chemistry Department, Universitas Kristen Satya Wacana, Central Java, Indonesia ,
(3) Chemistry Department, Universitas Kristen Satya Wacana, Central Java, Indonesia
164-175
349

Green Synthesis of Silver Nanoparticles Using Areca Catechu L Peel Bioreductor as an Antibacterial Escherichia Coli and Staphylococcus Aureus

Restina Bemis (1), Frastica Deswardani (2), Heriyanti (3), Ratih Dyah Puspitasari (4), Nur Azizah (5)
(1) Chemistry Study Program, Faculty of Science and Technology, Jambi University, Indonesia ,
(2) Chemistry Study Program, Faculty of Science and Technology, Jambi University, Indonesia ,
(3) Chemistry Study Program, Faculty of Science and Technology, Jambi University, Indonesia ,
(4) Chemistry Study Program, Faculty of Science and Technology, Jambi University, Indonesia ,
(5) Chemistry Study Program, Faculty of Science and Technology, Jambi University, Indonesia
176-186
257

Identification of Fat in Pork Using Fourier Transform Infrared Spectrum and GC-MS

Yulirohyami (1), Vivin Maulidatunnisa (2), Dinda Permata Pusparani (3), Bagas Prasetyo (4)
(1) Diploma Program of Analytical Chemistry, Department of Chemistry, Universitas Islam Indonesia, Indonesia ,
(2) Diploma Program of Analytical Chemistry, Chemistry Department, Universitas Islam Indonesia, Yogyakarta, Indonesia ,
(3) Diploma Program of Analytical Chemistry, Chemistry Department, Universitas Islam Indonesia, Yogyakarta, Indonesia ,
(4) Diploma Program of Analytical Chemistry, Chemistry Department, Universitas Islam Indonesia, Yogyakarta, Indonesia
187-194
205