Vol. 14 No. 3 (2026): June 2026

Articles

• Molecular Identification of Fungi Isolated from Indonesian Coal using ITS Region Sequence

  Shinta Wulansari, Fitri Widya Handayani, Muhammad Shobihul Khoir

  464-471

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.20365
  Abstract View: 0 | PDF Download: 4

• Napa Soil-Derived NiAl₂O₄/MWCNT-Modified Glassy Carbon Electrode for Cd²⁺ Detection

  Stevy Dara Ayu, Mawardi Mawardi, Hary Sanjaya, Sherly Kasuma Warda Ningsih, Okta Suryani

  472-478

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.21268
  Abstract View: 0 | PDF Download: 21

• Effect of Blanching on the Protein Profile of Bitter Leaf (Vernonia amygdalina) Analyzed by SDS-PAGE

  Fitri Widya Handayani, Shinta Wulansari

  479-487

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.20408
  Abstract View: 0 | PDF Download: 4

• Voltammetric Detection of Cu²⁺ Using a Napa Soil-Derived NiAl₂O₄/MWCNT-Modified Glassy Carbon Electrode

  Ihya Zakira Sani, Mawardi Mawardi, Desy Kurniawati, Miftahul Khair, Okta Suryani

  488-496

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.21279
  Abstract View: 0 | PDF Download: 6

• Synthesis of Natural Deep Eutectic Solvent from EFB Waste and Used Cooking Oil for Cathode Recovery

  Hadrian Hafiz, Khansa Khairunisa Karyani, Muhammad Fiqri Aulia Rahman, Sawbil Sabri, Windri Putri Lestari, Ferdinand Hidayat

  497-507

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.18997
  Abstract View: 0 | PDF Download: 3

• NiAl₂O₄ -Modified Glassy Carbon Electrode From Napa Soil For Pb²⁺ Ions Using Voltammetry

  Zsa Zsa Fitria Alizar, Mawardi Mawardi, Alizar Ulianas, Syamsi Aini, Okta Suryani

  508-516

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.21254
  Abstract View: 0 | PDF Download: 0

• Assessing Digital Competence and Inter-Area Correlation among Undergraduate Chemistry Education Students Using DigComp 3.0

  Putu Anindita Widhiya Putri, Adik Annisa, Arum Setyaningsih, Vella Aulia Illahi

  517-526

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.20827
  Abstract View: 0 | PDF Download: 0

• Pedetan Ethnochemistry Typical of Jembrana and it’s Integration into Green Chemistry Learning

  Ni Komang Ananda Dian Savitri, I Wayan Suja, Siti Maryam

  527-537

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.20395
  Abstract View: 0 | PDF Download: 0

• Implementation of Social-Emotional Competence Based on the CASEL Framework: A Systematic Literature Review

  Ni Putu Widhi Linda Rahayu, I Wayan Redhana

  538-546

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.20958
  Abstract View: 0 | PDF Download: 0

• Designing a Green Chemistry Virtual Laboratory with Project-Based Learning to Improve Acid-Base Titration Outcomes

  Mutiara Ardi, Manihar Situmorang, Nurul Aliyyah, Emitur Malau

  547-556

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.20567
  Abstract View: 0 | PDF Download: 0

• Development of E-Modules based on STEM Integrated Problem-Based Learning on Acid-Base Materials

  Syahkarina Maha, Jasmidi

  557-568

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.20758
  Abstract View: 0 | PDF Download: 0

• Development of Laboratory Virtual Learning Media on Alkene Submaterial

  Jovita Tia Br Pakpahan, Marham Sitorus, Manihar Situmorang, Ratu Evina Dibyantini, Marudut Sinaga

  569-578

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.20980
  Abstract View: 0 | PDF Download: 0

• Assessment-for-Learning-Based Student Activity Sheets on Reaction Rate to Improve Students’ Science Process Skills

  Moh. Threewahyu Saifulloh, Rudiana Agustini

  579-592

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.20933
  Abstract View: 0 | PDF Download: 0

• Development of an Ethno-STEM-Integrated Chemistry E-Module Based on Sleman Regency Local Wisdom for Reaction Rate Learning

  Dhina Maulani, Susila Kristianingrum

  593-604

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.20725
  Abstract View: 0 | PDF Download: 0

• The Effect of Green Chemistry-Integrated Project-Based Learning on Students' Learning Outcomes in Acid-Base Chemistry

  Devi Septyani Ginting, Dewi Syafriani

  605-613

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.20860
  Abstract View: 0 | PDF Download: 0

• Development of Smart Apps Creator-Based Interactive Chemistry Learning Media Integrated with Discovery Learning for Acid-Base Topics

  Afriani Br Hombing, Ricky Andi Syahputra

  614-621

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.20842
  Abstract View: 0 | PDF Download: 0

• Vegetable Oils and Hibiscus rosa-sinensis Leaf Extract in Solid Soap Formulation

  Marliandi Tamo Ama, Ahmadi, Hulyadi, Baiq Risni Maripa, Yusran Khery

  622-628

  • PDF

  DOI : https://doi.org/10.33394/hjkk.v14i3.21188
  Abstract View: 0 | PDF Download: 0

• Effect of Discovery Learning on Student’s Achievement in Acid-Base Chemistry

  Mimi Herman, Naya Eliya Putri, Dwivelia Aftika Sari

  DOI : https://doi.org/10.33394/hjkk.v14i3.21113
  Abstract View: 0 |

• Implementation of STEM-PjBL Teaching Materials to Improve Student Learning Outcomes and Interest in Acid-Base Topics

  Citra Permata Sari Sinaga, Susilawati Amdayani

  DOI : https://doi.org/10.33394/hjkk.v14i3.20649
  Abstract View: 0 |

• Liveworksheet-Based E-LAPD to Enhance Students’ Critical Thinking in Chemical Equilibrium

  Nabila Aulia, Sukarmin

  DOI : https://doi.org/10.33394/hjkk.v14i3.21098
  Abstract View: 0 |

• Analysis of High School Students’ Chemistry Learning Motivation Using the Chemistry Motivation Questionnaire (CMQ)

  Lusiana, Erlina, Eny Enawaty

  DOI : https://doi.org/10.33394/hjkk.v14i3.20574
  Abstract View: 0 |

• Effect of Glycerol Addition as an Entrainer in Extractive Distillation for Bioethanol Purification from White Glutinous Rice Fermentation

  Zuinan Dakwa, Yeti Kurniasih, Hulyadi, Yusran Khery

  DOI : https://doi.org/10.33394/hjkk.v14i3.20996
  Abstract View: 0 |

• The Development of Chemistry E-Module Using STS Approach Based on HOTS on Acid-Base Materials

  Salma Syauqi, Retno Dwi Suyanti

  DOI : https://doi.org/10.33394/hjkk.v14i3.20430
  Abstract View: 0 |

• Physics Education Students’ Perceptions of Infused Water as a Healthy Beverage Companion to the MBG Program in Schools

  Dimas Ridho, Ekin Dwi Arif Kurniawan, Artika Zahra, Baddariah Khopipa Pulungan, Reiphandy Ananda Purba, Riski Aulia

  DOI : https://doi.org/10.33394/hjkk.v14i3.20904
  Abstract View: 0 |

• Approaches for Spatholobus littoralis: Comparative Efficiency of Ultrasound- and Microwave-Assisted Extraction Techniques and Its Statistical Analysis

  Nindya Tri Muliawati, Novia Amalia Sholeha, Mohamad Alief Ramdhan, Farida Laila, Tekad Urip Pambudi Sujarnoko, Wina Yulianti, Atep Dian Supardan, Ika Resmeiliana, Faranita Ratih Listiasari, Hanifa Muthmainna, Khaerunisa Fadillah, Muhammad Afdhal Maliki Akbar

  DOI : https://doi.org/10.33394/hjkk.v14i3.20353
  Abstract View: 0 |

• The Effect of the Project-Based Learning (PjBL) Model on Students’ Learning Motivation in the Topic of the Periodic Table of Elements

  Arfa Destira Irawan, Heppy Okmarisa

  DOI : https://doi.org/10.33394/hjkk.v14i3.20847
  Abstract View: 0 |

• Development of Ethnoscience-Based STEM-Based Electronic Learner Worksheets (E-LKPD) on Acid-Base Materials

  Nabilah Ramadhani, Eddiyanto

  DOI : https://doi.org/10.33394/hjkk.v14i3.20751
  Abstract View: 0 |

• Effect of Zeolite Pre-Treatment on the Performance of a 7-Hole Catalytic Converter

  Nur Fauziah, Yesi Angelia Simarmata, Iis Siti Jahro

  DOI : https://doi.org/10.33394/hjkk.v14i3.21118
  Abstract View: 0 |

• Think Pair Share-Based Learning Module for Global Warming in Grade X Chemistry

  Sishy Maharani Putri, Mimi Herman

  DOI : https://doi.org/10.33394/hjkk.v14i3.21112
  Abstract View: 0 |

• μPADs for Chemistry Education and Acetic Acid Analysis: A Literature Review

  Medardus Josua Petrus Tosang, Masriani, Firman Shantya Budi

  DOI : https://doi.org/10.33394/hjkk.v14i3.20631
  Abstract View: 0 |

• Green Chemistry Education at the Secondary School Level: A Bibliometric Analysis of Trends and Research Gaps

  Syahrul Bachtiar, Dwi Ajni Shafarwati

  DOI : https://doi.org/10.33394/hjkk.v14i3.21053
  Abstract View: 0 |