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All Journal Al-Kimia Fullerene Journal of Chemistry JCER (Journal of Chemistry Education Research) Jurnal Ilmiah Kanderang Tingang Kahayan : Jurnal Pengabdian Kepada Masyarakat
Anatasya, Violina
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Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Engineering Languange, Linguistic, Communication & Media

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Pengembangan Virtual Reality Chemistry Berbasis Kearifan Lokal Alam Kalimantan Tengah Untuk Meningkatkan Kemampuan 4C Mahasiswa Anatasya, Violina; Putra, Nandito
Jurnal Ilmiah Kanderang Tingang Vol 15 No 2 (2024): Jurnal Ilmiah Kanderang Tingang
Publisher : FKIP Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jikt.v15i2.343

Abstract

Practicum is an effective method used in learning to improve skills and deepen chemical concepts and theories. However, the main obstacle in the chemistry practicum process is the procurement process regarding the limitations of the tools and materials needed. One innovative solution to overcome this challenge is to utilize Virtual Reality (VR) technology, which allows students to understand the material through interactive simulations. On the other hand, Central Kalimantan has a wealth of local wisdom that can be used as a means to associate chemical concepts with daily life. Through this research, a Virtual Reality Chemistry Laboratory (VRCL) was developed that integrates elements of local wisdom in Central Kalimantan. The research method used in this study is development research (R&D) with the ADDIE model, with the initial step of conducting analysis. This study aims to evaluate the extent to which VRCL can improve students' understanding of chemical concepts and strengthen the connection between science and local culture. The results of this study are expected to make an important contribution to the development of more contextual and relevant learning methods for students. The use of Virtual Reality Chemistry Laboratory combined with the local wisdom of Central Kalimantan's nature aims to improve the 4Cs (Communication, Collaboration, Critical Thinking, and Creativity) skills of students in associating technology with local wisdom values. After going through the learning process using virtual reality media through VR headsets, students can practice the 4Cs skills in terms of focusing questions, observing, identifying assumptions, making conclusions, and determining actions.
Utilizing AI (Artificial Intelligence) Platforms as Learning Media for MIPA Students at Palangka Raya University Anatasya, Violina; Putra, Nandito; Triliyansi
JCER (Journal of Chemistry Education Research) Vol. 9 No. 1 (2025): Volume 9 No. 1 June 2025
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v9n1.p1-4

Abstract

This research analyzes the use of AI (Artificial Intelligence) platform as a learning media for Mathematics and Natural Sciences Education students at Palangka Raya University. As technology develops, AI is often used in higher education as a system that mimics human intelligence. Various AI platforms have diverse functions that support student learning activities. The research method used descriptive qualitative with data collection through questionnaires on Google Form. The results show that students actively use AI, with ChatGPT being the most frequently used. AI makes it easier for students to obtain information quickly, makes the learning process more effective, and learning more interesting. However, there are risks of AI dependency and data inaccuracy. This research also describes the utilization of AI to contribute to improving the quality of learning for MIPA Education students at Palangka Raya University.
The Potential of Jackfruit Wood as Activated Carbon for Adsorption of Heavy Metal Mercury (Hg) through Pyrolysis Method Zimon Pereiz; Chuchita; Oksal, Efriyana; Maya Sylvani, Miranti; Irawan, Ahmad; Pebriyanto, Yunus; Hairiah, Rusliananur; Eka Jaya Prastiti, Arini; Berlisnora Dasilva, Caroline; Anatasya, Violina; Prisnanda, Risky
Al-Kimia Vol 13 No 1 (2025): JUNE
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

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Abstract

Water pollution caused by heavy metal mercury is a serious problem today. This study aims to utilise jackfruit wood waste as a natural adsorbent in overcoming the problem of water pollution due to heavy metal mercury. The methods in this research include jackfruit wood preparation, hydrochar synthesis through pyrolysis, hydrochar activation, wastewater preparation, batch adsorbent optimum conditions, and dynamic adsorption process (Fixed-Bed Column). The results showed that the optimum adsorption condition was reached at 0.4 M HCl concentration, pH 3 and 80minutes contact time. The study also showed that the adsorption kinetics followed a second-order pseudo model with a rate constant of 1.712 x 10-2 g/mg.min. The research data also showed conformity with the Langmuir isotherm model, with an adsorption capacity of 63.036 mg/g. The results of this study prove that jackfruit wood waste is effectively used as raw material for making activated carbon for wastewater treatment applications in removing heavy metal mercury.
Program Edukasi Bahaya Pewarna Dan Pemanis Pada Siswa Kelas X Kriya Kayu SMKN 4 Palangka Raya Anatasya, Violina; Prastiti, Arini Eka Jaya; Triliyansi, Triliyansi
Kahayan : Jurnal Pengabdian Kepada Masyarakat Vol 1 No 1 (2024): November : KAHAYAN (JURNAL PENGABDIAN KEPADA MASYARAKAT)
Publisher : Jurusan Pendidikan Ilmu Pengetahuan Sosial, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jak.v1i1.16772

Abstract

The culinary industry in Indonesia, especially the snack and food sector, has great potential in creating job opportunities and attracting the interest of various consumer groups. However, the use of additives such as synthetic dyes and sweeteners in food is a major concern because it can pose health risks. These additives are used to improve the quality, taste, and visual appeal of food, but they can contain harmful substances such as borax, benzoic acid, sodium cyclamate, saccharin, and formalin that are often found in children's snacks. An education program on the dangers of synthetic dyes and sweeteners was carried out in class X of the Wood Craft department of SMK Negeri 4 Palangka Raya to increase students' understanding of the health risks of harmful chemicals in food. The counseling method involves conveying information about the types of chemicals, their health impacts, and tips for choosing safe food. Observations were made to see students' responses and participation during the activity. This educational program is expected to change students' consumption behavior, so that they are better able to maintain their health and spread awareness about the importance of healthy food in their environment
The Adsorption of Heavy Metal Mercury (Hg) Using Meranti Wood as Activated Carbon Pereiz, Zimon; Chuchita, Chuchita; Oksal, Efriyana; Jaya Prastiti, Arini Eka; Berlisnora Dasilva, Caroline; Anatasya, Violina; Prisnanda, Risky; Hairiah, Rusliananur
Jurnal Kimia Fullerene Vol 11 No 1: Fullerene Journal Of Chemistry
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/fjc.v11i1.712

Abstract

The objective of this research is to assess the adsorption capacity of activated carbon derived from meranti wood (Shore spp) for mercury (Hg) removal from liquid waste. To establish the relationship between concentration and absorbance, the method employed involves calibrating mercury concentration using calibration curves. Additionally, the effects of pH and exposure time on adsorption capacity were examined. The results indicate that activated carbon from meranti wood can significantly adsorb mercury, achieving an efficiency level of 97.610% at pH 3, with adsorption stability reached within 80 minutes at an adsorption rate of 94.30%. The conclusions drawn from this study suggest that activated carbon from meranti wood is a sustainable and effective solution for addressing mercury contamination in wastewater. It also highlights the importance of regulating pH and exposure time. This research contributes significantly to the development of environmentally friendly methods for water purification.
Co-Authors Ahmad Irawan, Ahmad Berlisnora Dasilva, Caroline Chuchita Chuchita, Chuchita Eka Jaya Prastiti, Arini Hairiah, Rusliananur Jaya Prastiti, Arini Eka Maya Sylvani, Miranti Oksal, Efriyana Pebriyanto, Yunus Prastiti, Arini Eka Jaya Prisnanda, Risky Putra, Nandito Triliyansi Triliyansi, Triliyansi Zimon Pereiz