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All Journal Yumary: Jurnal Pengabdian kepada Masyarakat Jurnal Ilmiah Berkala: Sains dan Terapan Kimia Jurnal Kaharati
Sylvani, Miranti Maya
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Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Environmental Science Public Health Social Sciences Other

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Permen Buah Karamunting: Inovasi Pangan Lokal untuk Penanggulangan Stunting pada Anak Pereiz, Zimon; Oksal, Efriyana; Chuchita, Chuchita; Sylvani, Miranti Maya; Komara, Nisa Kartika
Yumary: Jurnal Pengabdian kepada Masyarakat Vol. 4 No. 4 (2024): Juni
Publisher : Penerbit Goodwood

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35912/yumary.v4i4.2515

Abstract

Purpose: Stunting is a condition in which a child's physical growth and development are hampered due to malnutrition during the growth period. This condition occurs in children under 5 years of age. This age period is critical for the formation and development of body organs in children. Therefore, an innovative and holistic approach is needed to prevent stunting. One potential that can be exploited is the fruit of the karamunting plant (Rhodomyrtus tomentosa), which has traditionally been used as an herbal medicine. Candy containing healthy and delicious caramunting fruits can be an interesting way to increase nutritional intake, especially for children who have barriers to consuming nutritious food. Methodology: Implementation of community service through an educational workshop on the importance of knowledge about stunting prevention in children through local food innovation with Karamunting fruit candy (Rhodomyrtus tomentosa) was carried out on Saturday, October 7, 2023, between: 08.00-11.00 WIB, with the activity location at Habaring Hurung Village Hall. The partners for this community service activity are the heads and staff of Habaring Hurung Village, Bukit Batu District, Palangka Raya City, and Central Kalimantan. The targets of this service activity are mothers and children in Posyandu. Service procedures are the coordination, observation, activity implementation, and evaluation stages. Results: The participants understood the dangers and prevention of stunting in their children. The participants understood how to make karamunting fruit candy a local food that can be used and developed. Limitations: Karamunting fruit candy as a food innovation to prevent stunting produced by this community service program has no known expiration date or shelf life and there is no standard composition or dosage for candy to prevent stunting. Contribution: This community service activity can have a positive impact on the people of Hurung Village. This activity is able to increase insight and the ability to prevent the spread of stunting through innovation in making candy from karamunting fruit, even if residents can implement it independently.
The Potential of Ironwood as an Activated Carbon Adsorbent for Heavy Metal Mercury (Hg) Using the Pyrolysis Method Pereiz, Zimon; Oksal, Efriyana; Chuchita, Chuchita; Sylvani, Miranti Maya; Pebriyanto, Yunus
Jurnal Sains dan Terapan Kimia Vol 19, No 1 (2025)
Publisher : Program Studi Kimia, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jstk.v19i1.20957

Abstract

This study focuses on the utilization of ironwood as an activated carbon adsorbent to remove heavy metal mercury (Hg). The background of the problem includes mercury pollution from various industrial sources and its harmful impacts on the environment and human health. The purpose of this study was to develop an effective method for adsorbing mercury using natural ironwood materials. The research method involves the synthesis of activated carbon through pyrolysis and chemical activation processes, followed by a series of adsorption tests on mercury with variations in pH conditions, contact time, and acid concentration. The research data showed that the optimum adsorption capacity was achieved at a mercury concentration of around 500 ppm, with high adsorption efficiency at pH 1 and a contact time of 80 minutes. The results also showed that the adsorption kinetics followed a second-order model with a rate of 0.017119 g/mg.min. In conclusion, the mercury adsorption process using activated carbon from ironwood followed the Langmuir isotherm model, with an adsorption capacity of 63.036 mg/g, indicating that the adsorbent had been successfully synthesized and had an effective ability to remove mercury.
Sintesis dan Karakterisasi XRD dari Nanosilika Menggunakan Metode Sol-gel Pramudita, Dimas; Nababan, Jesika; Isaura, Anasthasya; Ratnalisti, Putri; Simbolon, Wenika; Sylvani, Miranti Maya; Beladona, Siti Unvaresi Misonia; Putra, Riandy
Jurnal Penelitian UPR Vol. 5 No. 1 (2025): Jurnal Penelitian UPR: Kaharati
Publisher : LPPM Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52850/jptupr.v5i1.18458

Abstract

Mineral di Indonesia memiliki potensi besar untuk dikembang dalam sektor pertambangan dan industri salah satunya adalah silika. Silika oksida (SiO2) merupakan mineral berbentuk padatan yang banyak dianalisis dalam pengembangan penelitian sintesis nanomaterial. Pada penelitian ini sintesis nanomaterial silika dilakukan menggunakan metode sol-gel untuk memperoleh kristal murni yang sesuai standar. Tujuan dilakukan penelitian ini adalah menganalisis karakterisasi dan kemurnian hasil kristalisasi silika (SiO2) dengan metode sol-gel menggunakan XRD. Penelitian sintesis silika menggunakan metode sol-gel dilakukan di UPT Laboratorium Terpadu, Universitas Palangka Raya, Kalimantan Tengah. Hasil penelitian menunjukkan bahwa sintesis nanosilika dengan metode sol-gel terjadi dalam 2 tahapan reaksi, yaitu reaksi hidrolisis dan reaksi kondensasi, dimana diperoleh hasil puncak 2θ = 26,7° dengan nilai intensitas yang tinggi, nilai kristalinitas 64,4%, dan ukuran rata-rata kristal sebesar 1,2544 nm.
Co-Authors Chuchita, Chuchita Isaura, Anasthasya Komara, Nisa Kartika Nababan, Jesika Oksal, Efriyana Pebriyanto, Yunus Pramudita, Dimas Ratnalisti, Putri Riandy Putra Simbolon, Wenika Siti Unvaresi Misonia Beladona Zimon Pereiz