Vol 9, No 1 (2024)

	Simultaneous Determination of Isoniazid and Pyridoxine Hydrochloride in Tablet Dosage Forms using Ratio Subtraction Spectrophotometry Rida Evalina Tarigan, Ester Lince Fiani Mendrofa, Chemayanti Surbakti	PDF 1-14
	Comparative Analysis of Caffeine Content in Cold and Hot Brewed Robusta Coffee Using High-Performance Liquid Chromatography (HPLC) Irma Rahmawati, Shofian Habib Asrori	PDF 15-25

	Comparison of Organic Liquid Soap Made from Papaya-Turmeric and Aloe Vera-Piper Betel Rahmat Juninho, Irfan Afandi Syamsudin, Ismudiati Puri Handayani, Memoria Rosi, Hertiana Bethaningtyas Dyah Kusumaningrum, Yusup ABD Salam, Desti Umdatul Islamiah, Astrid Rinaldi	PDF 26-37
	Turmeric (Curcuma longa) Extract Characterization for Corrosion Inhibitor using Microwave-Assisted Extraction Tifa Paramitha, Angely Luviana, Angelina Putri, Randi Reynaldi, Rafila Chika Azzahra, Tika Paramitha, Rony Pasonang Sihombing	PDF 38-49
	Phytochemical Screening and Antibacterial Activity of Ethanolic Extracts from Delonix regia Against Laboratory Strains of Diarrheal Bacteria Yeyen Susana Senge, Irfan Mustafa, Anna Safitri	PDF 50-68
	Utilization of Xylanase Enzymes Derived from Cassava in the Eco-Friendly Biobleaching of Pulp Ahmad Muhammad Fuadi, Dita Aulia Az Zahra, Saniya Farha, Krisna Artur Kunarfian, Tiara Nilawati Dewi, Dwi Susanti	PDF 69-84
	Formulation, characterization, and antibacterial testing of cream supplemented with Aloe vera (Aloe vera L.) gel and Nutgrass (Cyperus rotundus L.) rhizome ethanol extract Sri Mulyani, Salsabila Adzani Rahmadina, Elfi Susanti VH, Sri Retno Dwi Ariani, Suryadi Budi Utomo, Muhammad Hizbul Wathon	PDF 85-101

	Study on Varied Bagasse Fiber and Epoxy Resin Compositions with Rice Bran Filler to Biocomposite Characteristics Eni Budiyati, Fauzia Zeinandi Saputri, Radeva Intan Kurnia Prasasti, Muhammad Rishad Elwin	PDF 102-114
	Functionalization Mesoporous Silica using Aminopropyltriethoxysilane (APTES) as Adsorbent for Removal Ni (II) from Aqueous Solution Ega Hidayani, Andriayani Andriayani, Muhammad Taufik	PDF 115-129
	Synthesis of Polystyrene Fiber Membranes Prepared by Electrospinning: Effect of AgNO3 on the Microstructure Hanifah Setyaning Budi, Akmal Zulfi, Lia Dwi Setyaningsih, Muhammad Fahroji, Ratih Amalia, Julia Angel, Bagas Haqi Arrosyid, Gugus Handika, Kurniawan Eko Saputro, Alfian Noviyanto, Yulianto Agung Rezeki	PDF 130-142
	Particle Size Modification of Breadfruit Starch (Artocarpus altilis) into Nanoparticle Size Through Top Down Technique using Acid Hydrolysis Asri Alfiyah Ningsih Nasution, Cut Fatimah Zuhra, Juliati Br. Tarigan	PDF 143-157

	Increasing High School Students' Creativity in Local Wisdom-Based Environmental Studies Through the Project-Based Learning Model Herni Arfida, Abdul Gani, Susilawati Susilawati, Ibnu Khaldun, Yusrizal Yusrizal	PDF 158-170
	Impacts of The POGIL Learning Model Combined With a SETS Approach on Chemical Literacy and Science Process Skills in The Context of Buffer Solutions Putri Anggun Puspitasari, Budi Hastuti, Bakti Mulyani	PDF 171-184