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Journal : Jurnal Sains dan Ilmu Terapan

Uji Kepolaran Ekstrak Buah Impor Menggunakan Alat Sederhana Berbasis Listrik untuk Pembelajaran Kimia Regina Gresella Br Panjaitan; Agnes Yuniarty Simbolon; Dwi Rahmanisa; Efrio Angelina Sitio; Gavril Orlando Tumio Manalu; Rode Juwita Sinaga; Vebilla May Ningsih; Iis Siti Jahro
Jurnal Sains dan Ilmu Terapan Vol. 8 No. 2 (2025): Jurnal Sains dan Ilmu Terapan
Publisher : Politeknik Kampar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59061/jsit.v8i2.1234

Abstract

Polarity is an essential concept in chemistry, but many students struggle to grasp it, necessitating the use of a simple learning medium. This study aims to examine the polarity levels of extracts from ten imported fruits, including Fuji apple, kiwi, strawberry, Sunkist orange, grape, pear, date, blueberry, cherry, and dragon fruit, using a static electricity-based device. The device was created using simple materials, making it practical for use in chemistry lessons. Its working principle is based on the deflection of liquid droplets, which are influenced by static electric charges on mica. The results showed that most extracts experienced varying degrees of deflection. Strawberry, pear, and kiwi exhibited strong deflection due to the presence of polar compounds, while apple, cherry, and grape demonstrated moderate deflection. Blueberry could not be tested due to its high viscosity. This study presents a straightforward learning tool to help students better understand the polarity of covalent compounds, providing an accessible approach to learning complex chemistry concepts.
Co-Authors Adelia Yesya Putri Hasibuan Agnes Yuniarty Simbolon Amalia, Meisya Angin, Jansen Riko Perangin Ani Sutiani Ani Sutiani Anisa Nursalsabillah Nasution Annisa Rahayu Annisa Rahayu Ardiansyah Ardiansyah Asep Wahyu Nugraha Asep Wahyu Nugraha Aulianti, Dita Ayi Darmana Ayi Darmana Ayi Darmana, Ayi Banu Nursanni Bohari M. Yamin Bohari M. Yamin Br Bangun, Kurnia Wati Catur Kurniawan CINDY CINDY Daeli, Dinastini Damanik, Syifa Namira Debora Putri Sitorus Debora Putri Sitorus Desri Berliana Daeli Djulia Onggo Djulia Onggo Djulia Onggo Dwi Rahmanisa Efrio Angelina Sitio Esther Jacoba Martha Vertelman Fadhila, Nabila Nur Fahimah Martak Fitria Febrianti, Fitria Gavril Orlando Tumio Manalu Gurning, Mita Agresia Hutagalung, Tien Parsaulian Hutagaol, Rahul Hutauruk, Rafli Intan Ayu Safitri Intan Fahira Yuzan Ismunandar Ismunandar . Ismunandar Ismu Izwani, Putri Khairi Jasmidi Jasmidi Jasmidi Juwitaningsih, Tita Khaira, Mutiah Khuzaimah Dasopang Maibang, Siti Rahmah MANIK, INDA WATI Manullang, Marisa Marham Sitorus Marpaung, Mutiara Evelin Yoseva Meli Sartika Silaban Moondra Zubir Nasution, Anisa Nursalsabillah Nasution, Fadiya Malona Nursanni, Banu Petra van Koningsbruggen Pratama, Muhammad Rizky Putri Faradilla Putri Yustika Sary Ratu Evina Dibyantini Ratu Evina Dibyantini Regina Gresella Br Panjaitan Retno Dwi Suyanti Rode Juwita Sinaga Sakinah, Sheila Saragih, Innovayani Sarah, Arina Sami Sary, Putri Yustika SATI, NAFFA Sembiring, Niki Arih Ersada Br Sembiring, Silvia Gressiela Br Siahaan, Suria Bersinar Sihombing, Cindy Monalisa Sijabat, Hotman Priwaldi SIMANJUNTAK, PUTRINA Simanullang, Selafionita Simaremare, Happy G. Maritoma Siregar, Anggita Rahma Siregar, Eka Guspi Anti Sitorus, Francisca T. A Situmorang, Elsa Hasri Novensa Sri Adelia Sari Suryani Suryani Suryani Suryani Susanto Imam Rahayu Susanto Imam Rahayu Sutiani, Ani Syafitri, Amelia Syahputra, Ricky Andi Tama, Gita Citra Tania Evelin Turnip, Yulika Hotrina Vebilla May Ningsih Veronika, Christy Chirona Windayani, Neneng