|
Hydrogen: Jurnal Kependidikan Kimia (Hydrogen: Journal of Chemistry Education, e-ISSN: 2656-3061 & p-ISSN: 2338-6487) is an open-access scientific periodical journal published by the Department of Chemistry Education, Faculty of Applied Science and Engineering, Mandalika University of Education. It contains research and review articles covering studies in chemistry education at schools, higher education, and communities and pure or applied studies in chemistry.
All submitted manuscripts will be subjected to the peer-review process following a thorough inspection by the editors. The journal is published in both printed and online versions. The online version is free to access and download. Hydrogen: Jurnal Kependidikan Kimia (Hydrogen: Journal of Chemistry Education) was first published in 2013. During the period of 2013-2022, Hydrogen was published twice a year (June and December). Due to a large amount of interest from the author, Hydrogen publishes bimonthly in February, April, June, August, October, and December starting by 2023. Authors across the globe are welcome to submit their papers to the prestigious journal by fulfilling the requisite criterion. Every manuscript sent to the editorial office of the journal ought to follow the writing guidelines. If the manuscript does not meet the guidelines or is written in a different format, the article will BE REJECTED before further review. Only submitted manuscripts that meet the journal's format will be processed further.
Hydrogen: Jurnal Kependidikan Kimia (Hydrogen: Journal of Chemistry Education) collaborated with: LPPM UNDIKMA
This journal has been ACCREDITED by the National Journal Accreditation (ARJUNA) Managed by the Ministry of Education, Culture, Research, and Technology, Republic Indonesia with Fourth Grade (SINTA 4) starting from 2022 to 2026. Decree Number: 1429/E5.3/HM.01.01/2022
Hydrogen: Jurnal Kependidikan Kimia (Hydrogen: Journal of Chemistry Education) provides immediate OPEN ACCESS to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. All published articles will be assigned with DOI (Digital Object Identifiers). The DOI of the journal is https://doi.org/10.33394/hjkk.xxxxx.xxxx

Vol 13, No 1 (2025): February 2025
Table of Contents
Articles
Optimization of Extraction Parameters for Phenolics and Flavonoids from Peony (Paeonia lactiflora) Flowers Using Ultrasound-Assisted Extraction
![]()
Faida Jasmin, Andi Ika Julianti Handayani, Tubagus Akmal
|
1-11
|
Antioxidant of Ethanol Extract and Toxicity of Fractions from Aspergillus unguis a Marine Sponge Symbiont of Aaptos suberitoides
![]()
Scify Bilqis Nawafi Masyerli, Mai Efdi, Muhammad Hasan Bashari, Mochamad Untung Kurnia Agung, Beginer Subhan, Efahmi Efahmi, Yosie Andriani, Syafrizayanti Syafrizayanti
|
12-21
|
Adsorption of Nitrite (NO2-) Using Natural Zeolite and Natural Zeolite Modified with Cetyl Trimethylammonium Bromide (CTAB)
![]()
Ihsan Sofyan Hanan, Muhammad Fahmi Hakim Hakim, Teguh Pambudi
|
22-38
|
A Literature Review: Antimicrobial Phenolic Compounds in Nutmeg (Myristica fragrans Houtt)
![]()
Jahiria Ipaenin, Lutfi Chabib, Hasnaeni Hasnaeni, Risman Tunny
|
39-48
|
Calcium Assay of Tuna Bone Waste with Atomic Absorption Spectrophotometer (AAS)
![]()
Najmah Najmah, Andi Indra Wulan Sari Ramadhani, Devi Bunga Pagalla, Arviani Arviani, Vivi Dia Afrianti Sangkota
|
49-57
|
Characterization of Activated Carbon from Mangosteen Peel (Garcinia Mangostana L.) Activated with Phosphoric Acid (H3PO4)
![]()
Erwin Riski Indrastika, Nasrul Rofiah Hidayati, Ade Trisnawati
|
58-64
|
HydroTechPure Prototype Development: Dual Mode Filter-Based Water Purification Tool as a STEM-Based Learning Tool
![]()
Nahadi Nahadi, Wiwi Siswaningsih, Miarti Khikmatun Nais, Triannisa Rahmawati, Atep Rian Nurhadi, Hayuni Retno Widiarti, Ari Syahidul Sidiq, Agnes Suci Evriliani, Aztiannisa Zahra, Liana Ambar Sari, Ahmad Nafran Razani, Qurrotu Aini Zahran, Muhammad Fiqri Rahman, Fajar Abdurrahman
|
65-78
|
The Effect of Problem Based Learning Model in Improving Students Argumentation Skills: Systematic Literature Review
![]()
Happy Okmarisa, Niken Ayu Lestari, Listia Ariani
|
79-86
|
Analysis of Students Scientific Literacy in Integrated Acid-Base Learning Socioscientific Issues
![]()
Robby Haryanto, Yuli Rahmawati, Irwan Saputra
|
87-100
|
The Impact of Problem-Based Learning (PBL) Module on Critical Thinking Skills on Electrolyte and Nonelectrolyte Solutions
![]()
Dwivelia Aftika Sari, Mimi Herman, Steva Dara Putri, Hidayati Hidayati
|
101-109
|
The Effectiveness of the Case Method in Promoting Meaningful Learning and Enhancing Student Learning Outcomes
![]()
Munawwarah Munawwarah, Zuhrah Adminira Ruslan
|
110-118
|
Analysis of Student Misconceptions Using the Three-tier Diagnostic Test on Atomic Structure Class X Material at SMA N 1 Lintau Buo
![]()
Rahma Tustari, Mimi Herman, Dwivelia Aftika Sari, Elvy Rahmi Mawarnis, Hidayat Herman
|
119-129
|
Profile of Critical Thinking Skills and Cultural Literacy of Students in the Basic Chemistry Course
![]()
Khaeruman Khaeruman, Ketut Suma, Siti Maryam, I Wayan Suastra, Siti Nurhidayati
|
130-138
|
Development of Assessment Tools for Understanding Submicroscopic Representations in Acid-Base Material
![]()
Ivan Ashif Ardhana, Rahayu Nur Hidayah, Syandifa Rohadlotul ‘Aisy, Mustabsyirotul Ijtihadah
|
139-150
|
The Effect of STEM-Project-based Learning on Self-Efficacy in High School Chemistry Learning
![]()
Alya Atifah, Rr. Lis Permana Sari
|
151-161
|
Analysis of Student Response to the Use of Biochemistry e-Module on Carbohydrate Materials in Enhanching Learning Independence
![]()
Titin Mairisiska, Ramadani Ramadani, Nosi Qadariah
|
162-173
|
Analysis of the Implementation of Formative Assessment on Students' Conceptual Understanding in Chemistry Learning
![]()
Putri Nisrina, Rizka Indah Primawati, Nahadi Nahadi
|
174-185
|
The Influence of Learning Independence and Learning Styles on the Chemistry Achievement of 11th-Grade Students at SMAN 2 Pasarwajo
![]()
Dahlan Dahlan, Nurlansi Nurlansi, Lastri Susilawati
|
186-196
|
Application of Silica Adsorbent Rice Husk Ash-Activated Carbon in Refining Waste Cooking Oil
![]()
Donna Sumarni Gala, Rahmanpiu Rahmanpiu, Wa Ode Mulyana
|
197-208
|
Development of Interactive Learning Media Based on a 2-Dimensional Virtual Laboratory on Electrochemical Materials
![]()
Neneng Andriani Joko, La Rudi, Muhammad Arsyad
|
|
Description of The Implementation of Character Values In The Project For Strengthening The Pancasila Student Profile (P5) Sustainable Lifestyle Theme
![]()
Dian Eka Safitri, Hairida Hairida, Eni Mayasari
|
|