Vol. 13 No. 1 (2025): February 2025

Published: 2025-03-04

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
- PDF
DOI : 10.33394/hjkk.v13i1.14346 Abstract View : 0 Untitled downloads: 0 PDF downloads: 2
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
- PDF
DOI : 10.33394/hjkk.v13i1.14645 Abstract View : 0 Untitled downloads: 0 PDF downloads: 2
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
- PDF
DOI : 10.33394/hjkk.v13i1.14643 Abstract View : 0 Untitled downloads: 0 PDF downloads: 1
A Literature Review: Antimicrobial Phenolic Compounds in Nutmeg (Myristica fragrans Houtt)

Jahiria Ipaenin, Lutfi Chabib, Hasnaeni Hasnaeni, Risman Tunny

39-48
- PDF
DOI : 10.33394/hjkk.v13i1.14583 Abstract View : 0 Untitled downloads: 0 PDF downloads: 2
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
- PDF
DOI : 10.33394/hjkk.v13i1.14705 Abstract View : 0 Untitled downloads: 0 PDF downloads: 1 Hasil Turnitin downloads: 0
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
- PDF
DOI : 10.33394/hjkk.v13i1.14557 Abstract View : 0 PDF downloads: 1 Untitled downloads: 0
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
- PDF
DOI : 10.33394/hjkk.v13i1.14082 Abstract View : 0 Untitled downloads: 0 PDF downloads: 0
The Effect of Problem Based Learning Model in Improving Students Argumentation Skills: Systematic Literature Review

Happy Okmarisa, Niken Ayu Lestari, Listia Ariani

79-86
- PDF
DOI : 10.33394/hjkk.v13i1.14220 Abstract View : 0 Untitled downloads: 0 PDF downloads: 1
Analysis of Students Scientific Literacy in Integrated Acid-Base Learning Socioscientific Issues

Robby Haryanto, Yuli Rahmawati, Irwan Saputra

87-100
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DOI : 10.33394/hjkk.v13i1.14305 Abstract View : 0 Untitled downloads: 0 PDF downloads: 0
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
- PDF
DOI : 10.33394/hjkk.v13i1.14137 Abstract View : 0 Untitled downloads: 0 PDF downloads: 1
The Effectiveness of the Case Method in Promoting Meaningful Learning and Enhancing Student Learning Outcomes

Munawwarah Munawwarah, Zuhrah Adminira Ruslan

110-118
- PDF
DOI : 10.33394/hjkk.v13i1.14567 Abstract View : 0 Untitled downloads: 0 PDF downloads: 1
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
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DOI : 10.33394/hjkk.v13i1.14633 Abstract View : 0 Untitled downloads: 0 PDF downloads: 0 Untitled downloads: 0
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
- PDF
DOI : 10.33394/hjkk.v13i1.14515 Abstract View : 0 Untitled downloads: 0 PDF downloads: 0
Development of Assessment Tools for Understanding Submicroscopic Representations in Acid-Base Material

Ivan Ashif Ardhana, Rahayu Nur Hidayah, Syandifa Rohadlotul â€˜Aisy, Mustabsyirotul Ijtihadah

139-150
- PDF
DOI : 10.33394/hjkk.v13i1.14328 Abstract View : 0 Untitled downloads: 0 Instrumen Soal Pemahaman Submikroskopik downloads: 0 Hasil Analisis Uji Coba Instrumen (Pilot Study) downloads: 0 PDF downloads: 0
The Effect of STEM-Project-based Learning on Self-Efficacy in High School Chemistry Learning

Alya Atifah, Rr. Lis Permana Sari

151-161
- PDF
DOI : 10.33394/hjkk.v13i1.14211 Abstract View : 0 Untitled downloads: 0 PDF downloads: 1
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
- PDF
DOI : 10.33394/hjkk.v13i1.13929 Abstract View : 0 Untitled downloads: 0 PDF downloads: 1
Analysis of the Implementation of Formative Assessment on Students' Conceptual Understanding in Chemistry Learning

Putri Nisrina, Rizka Indah Primawati, Nahadi Nahadi

174-185
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DOI : 10.33394/hjkk.v13i1.14367 Abstract View : 0 Untitled downloads: 0 PDF downloads: 1
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
- PDF
DOI : 10.33394/hjkk.v13i1.14754 Abstract View : 0 Untitled downloads: 0 PDF downloads: 0
Application of Silica Adsorbent Rice Husk Ash-Activated Carbon in Refining Waste Cooking Oil

Donna Sumarni Gala, Rahmanpiu Rahmanpiu, Wa Ode Mulyana

197-208
- PDF
DOI : 10.33394/hjkk.v13i1.14802 Abstract View : 0 Untitled downloads: 0 PDF downloads: 0
Development of Interactive Learning Media Based on a 2-Dimensional Virtual Laboratory on Electrochemical Materials

Neneng Andriani Joko, La Rudi, Muhammad Arsyad

209-221
- PDF
DOI : 10.33394/hjkk.v13i1.14853 Abstract View : 0 Untitled downloads: 0 PDF downloads: 0 Untitled downloads: 0
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

222-235
DOI : 10.33394/hjkk.v13i1.14699 Abstract View : 0

Vol. 13 No. 1 (2025): February 2025

Articles

Optimization of Extraction Parameters for Phenolics and Flavonoids from Peony (Paeonia lactiflora) Flowers Using Ultrasound-Assisted Extraction

Antioxidant of Ethanol Extract and Toxicity of Fractions from Aspergillus unguis a Marine Sponge Symbiont of Aaptos suberitoides

Adsorption of Nitrite (NO2-) Using Natural Zeolite and Natural Zeolite Modified with Cetyl Trimethylammonium Bromide (CTAB)

A Literature Review: Antimicrobial Phenolic Compounds in Nutmeg (Myristica fragrans Houtt)

Calcium Assay of Tuna Bone Waste with Atomic Absorption Spectrophotometer (AAS)

Characterization of Activated Carbon from Mangosteen Peel (Garcinia Mangostana L.) Activated with Phosphoric Acid (H3PO4)

HydroTechPure Prototype Development: Dual Mode Filter-Based Water Purification Tool as a STEM-Based Learning Tool

The Effect of Problem Based Learning Model in Improving Students Argumentation Skills: Systematic Literature Review

Analysis of Students Scientific Literacy in Integrated Acid-Base Learning Socioscientific Issues

The Impact of Problem-Based Learning (PBL) Module on Critical Thinking Skills on Electrolyte and Nonelectrolyte Solutions

The Effectiveness of the Case Method in Promoting Meaningful Learning and Enhancing Student Learning Outcomes

Analysis of Student Misconceptions Using the Three-tier Diagnostic Test on Atomic Structure Class X Material at SMA N 1 Lintau Buo

Profile of Critical Thinking Skills and Cultural Literacy of Students in the Basic Chemistry Course

Development of Assessment Tools for Understanding Submicroscopic Representations in Acid-Base Material

The Effect of STEM-Project-based Learning on Self-Efficacy in High School Chemistry Learning

Analysis of Student Response to the Use of Biochemistry e-Module on Carbohydrate Materials in Enhanching Learning Independence

Analysis of the Implementation of Formative Assessment on Students' Conceptual Understanding in Chemistry Learning

The Influence of Learning Independence and Learning Styles on the Chemistry Achievement of 11th-Grade Students at SMAN 2 Pasarwajo

Application of Silica Adsorbent Rice Husk Ash-Activated Carbon in Refining Waste Cooking Oil

Development of Interactive Learning Media Based on a 2-Dimensional Virtual Laboratory on Electrochemical Materials

Description of The Implementation of Character Values In The Project For Strengthening The Pancasila Student Profile (P5) Sustainable Lifestyle Theme

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