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All Journal Jurnal Matematika & Sains Jurnal Pendidikan dan Pembelajaran Kimia (JPPK) Journal of Mathematical and Fundamental Sciences Jurnal Pendidikan Kimia Universitas Riau Jurnal Tadris Kimiya Jurnal Pendidikan Kimia (JPKim) JOURNAL OF SCIENCE AND SOCIAL RESEARCH Didaktik : Jurnal Ilmiah PGSD STKIP Subang Jurnal Inovasi Pembelajaran Kimia (Journal Of Innovation in Chemistry Education) Indonesian Journal of Chemical Science and Technology Hydrogen: Jurnal Kependidikan Kimia Jurnal Teknologi Pendidikan : Jurnal Penelitian dan Pengembangan Pembelajaran SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA Ensiklopedia: Jurnal Pendidikan dan Inovasi Pembelajaran Saburai Educenter: Jurnal Ilmiah Pendidikan Jurnal Sains dan Teknologi Makara Journal of Science Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam (JURRIMIPA) Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Jurnal Sains dan Ilmu Terapan Unesa Journal of Chemistry EDUCENTER JURNAL PENDIDIKAN Journal of Humanities Education Management Accounting and Transportation Indonesian Journal of Jamu
Iis Siti Jahro
Universitas Negeri Medan
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Veterinary Other

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Identifikasi Sifat Elektrolit Buah-buahan Impor melalui Uji Elektrolisis Jahro, Iis Siti; Hutauruk, Rafli; Angin, Jansen Riko Perangin; Marpaung, Mutiara Evelin Yoseva; Sakinah, Sheila; Sijabat, Hotman Priwaldi; Sarah, Arina Sami; Khaira, Mutiah
Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/panthera.v5i4.710

Abstract

This study aims to identify the electrolyte properties of various imported fruits through electrolysis experiments. A quantitative approach was used by measuring the presence of gas bubbles formed on electrodes as an indicator of electrolyte strength. Samples included apples, pears, grapes, lemons, mandarins, strawberries, cherries, kiwis, blueberries, and dates. The results showed that all tested fruit extracts exhibited electrolyte properties due to the presence of organic acids (such as citric, malic, and tartaric acids) and minerals that can ionize into free ions. Apples showed the strongest electrolyte activity, followed by pears, grapes, lemons, and mandarins, while cherries, kiwis, blueberries, and dates showed weaker conductivity. Electrolyte strength was influenced by factors such as ion concentration, acid type, and mineral content. These findings suggest that fruit extracts, especially those with higher acidity levels, have the potential to act as natural electrolytes and serve as an alternative source of environmentally friendly electrical energy.
Studi tentang Polaritas dan Sifat Elektrolit Buah Impor melalui Percobaan Sederhana Maibang, Siti Rahmah; Nasution, Fadiya Malona; Manullang, Marisa; Damanik, Syifa Namira; Siregar, Anggita Rahma; Turnip, Yulika Hotrina; Jahro, Iis Siti
Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/panthera.v5i4.716

Abstract

This study was conducted to examine the polarity and electrolyte properties of several types of imported fruit that are increasingly consumed by the Indonesian people after the Covid-19 pandemic. The method used was a laboratory experiment conducted using three types of polar-nonpolar solvents and a simple multimeter-based electrolyte circuit to measure conductivity by testing extracts of ten imported fruits (melon, dragon fruit, strawberry, kiwi, pomegranate, grapes, cherries, lemon peel, blueberries, and dates). The polarity test was carried out using three different solvents (water, vinegar, and cooking oil), while the electrolyte properties were observed with a simple electrical circuit. The results showed that most of the extracts were soluble in water and vinegar, but not in cooking oil, so the majority of the fruit components were polar. Lemon peel and melon peel have semi-polar properties due to their essential oil content. In the electrolyte test, fruits with high acid content (lemon, pomegranate, strawberry) act as strong electrolytes, while fruits with high sugar content (dates, melon) are only classified as weak electrolytes. Other fruits such as grapes, kiwi, and blueberries show moderate electrolyte properties. These findings support basic chemical concepts regarding the relationship between polarity, solubility, and electrical conductivity, and can be utilized in teaching and food technology applications.
ANALISIS KANDUNGAN ELEKTROLIT DAN NON ELEKTROLIT PADA BUAH-BUAHAN LOKAL MENGGUNAKAN PERALATAN SEDERHANA Jahro, Iis Siti; Sinaga, Steven; Syafriani, Syafriani; Harahap, Dhini Haryati; Az Zahra, Salwa; Damanik, Haryana; Panjaitan, Nola Sari
SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA Vol. 5 No. 4 (2025)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia (P4I)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/science.v5i4.7223

Abstract

Fruits are not only valuable as sources of nutrition but also contain electrolytes that can conduct electric current. The presence of electrolytes in fruits is important to understand since they can be utilized as an alternative, eco-friendly source of electrical energy based on simple principles. This knowledge is also relevant for the advancement of science and technology related to the use of natural materials for energy generation. This study aims to investigate the electrical conductivity of nine local fruits: lemon, Pontianak orange, sweet orange, tomato, kuini, mango, banana, lime, and ambarella. The method involved using a multimeter, copper (Cu) electrodes, and carbon (pencil) electrodes inserted directly into the fruits to measure the voltage produced. The results show that each fruit exhibited different electrical conductivity. Kuini and mango produced the highest average voltage of 0.18 V, while lemon showed the lowest average voltage of 0.04 V. Differences are influenced by water content, ions, and fruit tissue structure. ABSTRAKBuah-buahan tidak hanya bermanfaat sebagai sumber gizi, tetapi juga mengandung elektrolit yang dapat berperan dalam menghantarkan arus listrik. Kandungan elektrolit dalam buah perlu diketahui karena dapat dimanfaatkan sebagai alternatif sumber energi listrik ramah lingkungan dengan prinsip sederhana. Pemahaman ini juga penting dalam pengembangan ilmu pengetahuan dan teknologi yang berhubungan dengan pemanfaatan bahan alami sebagai penghasil energi. Penelitian ini bertujuan untuk mengetahui daya hantar listrik pada sembilan jenis buah-buahan lokal, yaitu jeruk lemon, jeruk pontianak, jeruk manis, tomat, kuini, mangga, pisang, jeruk nipis, dan kedondong. Metode penelitian dilakukan dengan menggunakan multimeter, elektroda tembaga (Cu), dan elektroda karbon (pensil), yang ditancapkan langsung ke dalam buah untuk mengukur tegangan listrik yang dihasilkan. Hasil penelitian menunjukkan bahwa setiap buah memiliki kemampuan hantar listrik yang berbeda-beda. Kuini dan mangga memiliki tegangan rata-rata masing-masing sebesar 0,18 volt, sedangkan jeruk lemon memiliki tegangan rata-rata terendah sebesar 0,04 volt. Perbedaan daya hantar listrik ini dipengaruhi oleh kandungan air, ion, serta struktur jaringan pada buah.
EFEKTIVITAS KOMBINASI METODE UJI KELARUTAN DALAM ALKOHOL, MINYAK DAN FILTER PAPER: ANALISIS SENYAWA KOVALEN POLAR DAN NONPOLAR PADA BUAH LOKAL Syafira, Eka Ananda; Jahro, Iis Siti; Dwiyanda, Fadhilla; Nikita, Ade Rani; Khairani, Rafida; Rizkia, Putri; Said, Fahrezi Hasyim
SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA Vol. 5 No. 4 (2025)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia (P4I)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/science.v5i4.7535

Abstract

Covalent compounds in local fruits exhibit different solubility properties depending on their molecular polarity, with polar compounds generally dissolving in polar solvents and nonpolar compounds being more soluble in nonpolar solvents. This principle is essential since fruits contain various secondary metabolites such as flavonoids, tannins, saponins, terpenoids, and phenolic compounds whose distribution is influenced by polarity. This study aimed to evaluate the effectiveness of combining solubility tests using 70% ethanol, 96% ethanol, cooking oil, and filter paper as a practical approach to differentiate polar and nonpolar compounds in local fruits. The experiment involved ten fruit samples: star fruit, salak, papaya, pineapple, guava, noni, kaffir lime peel, pantain peel, mangosteen peel, and duku peel. The results showed that star fruit, salak, papaya, pineapple, guava, and noni were highly soluble in 70% ethanol, indicating the predominance of polar compounds. In contrast, kaffir lime peel, duku peel, mangosteen peel, and parts of plantain peel demonstrated greater solubility in oil or left residues on filter paper, suggesting the presence of nonpolar or semi-polar compounds. These findings confirm that the proposed combination method is effective for providing an initial overview of compound polarity in local fruits and has potential application as a practical tool in basic chemistry education and preliminary phytochemical analysis. ABSTRAKSenyawa kovalen pada buah lokal memiliki sifat kelarutan yang berbeda bergantung pada kepolaran molekulnya, di mana senyawa polar cenderung larut dalam pelarut polar dan senyawa nonpolar lebih mudah larut dalam pelarut nonpolar. Prinsip dasar ini penting dipahami karena buah mengandung beragam metabolit sekunder seperti flavonoid, tanin, saponin, terpenoid, serta senyawa fenolik yang distribusinya ditentukan oleh kepolaran. Penelitian ini bertujuan untuk menganalisis efektivitas kombinasi metode uji kelarutan dengan alkohol 70%, alkohol 96%, minyak goreng, dan filter paper sebagai cara sederhana untuk membedakan senyawa polar dan nonpolar pada buah lokal. Penelitian dilakukan secara eksperimental menggunakan sepuluh sampel buah, yaitu belimbing wuluh, salak, pepaya, nanas, jambu biji, mengkudu, kulit jeruk purut, kulit pisang raja, kulit manggis, dan kulit duku. Hasil uji menunjukkan bahwa buah belimbing wuluh, salak, pepaya, nanas, jambu biji, dan mengkudu larut baik dalam alkohol 70% yang bersifat lebih polar, menandakan dominasi senyawa polar. Sebaliknya, kulit jeruk purut, kulit duku, kulit manggis, dan sebagian kulit pisang raja memperlihatkan kelarutan lebih baik dalam minyak atau meninggalkan residu pada filter paper, yang menunjukkan adanya senyawa nonpolar atau semi-polar. Penelitian menegaskan bahwa metode kombinasi sederhana tersebut efektif memberikan gambaran awal mengenai polaritas senyawa dalam buah lokal, serta berpotensi digunakan sebagai pendekatan praktis dalam pembelajaran maupun analisis kimia dasar.
Literature Study: Complex Compounds Of Zn (II) EDTA, Mn (II) Netilisophyldithiocarbamate, and Lutesium-177(177lu)-Di-N-Butyl Dithiocarbamate In Industry Nasution, Rida Anastasia; Simatupang, Septania Oniza; Jahro, Iis Siti; Nurfajriani
Hydrogen: Jurnal Kependidikan Kimia Vol. 13 No. 5 (2025): October 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v13i5.18028

Abstract

This study is a literature review aimed at analyzing the synthesis, characterization, functions, and potential hazards of three types of complex compounds used in industry, namely Zn(II)-EDTA, Mn(II)-N-ethylisopropyldithiocarbamate, and Lutetium-177(177Lu)-Di-n-butyldithiocarbamate. The research method employed was library research, focusing on reviewing various relevant scientific sources from both national and international journals. The results show that Mn(II)-N-ethylisopropyldithiocarbamate functions as a lubricant additive that enhances viscosity and reduces friction at high temperatures; Zn(II)-EDTA acts as an effective anti-algae agent in industrial cooling water systems due to its strong chelating properties; and 177Lu-Di-n-butyldithiocarbamate serves as a radiotracer in industrial process monitoring owing to its high stability and radiochemical purity. Despite their many advantages, these compounds also pose potential toxic and environmental risks if not properly managed. Therefore, further research is recommended to develop more efficient and environmentally friendly synthesis methods and to ensure their application complies with industrial and radiation safety standards.
Dari Limbah Menjadi Solusi: Inovasi Material Sisa Industri untuk Pengolahan Seng (Zn) Aldo Geo Frengky Saragih; Anggun Maharani; Elit Manaman Gulo; Hotma Br Butar Butar; Mutia Patmasari Batubara; Sarnika Simbolon; Iis Siti Jahro
JURNAL RISET RUMPUN MATEMATIKA DAN ILMU PENGETAHUAN ALAM Vol. 4 No. 3 (2025): Desember : JURRIMIPA: Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrimipa.v4i3.7475

Abstract

Zinc (Zn) is one of the most common heavy metal contaminants found in industrial wastewater and solid residues such as slag, electroplating waste, and metal ash. At excessive concentrations, Zn can cause environmental disturbances, including toxicity to aquatic organisms, disruption of microbial activity, and groundwater contamination. Long-term exposure may also lead to bioaccumulation and potential health risks to humans. This article presents a comprehensive literature review that discusses the chemical properties of Zn, its environmental behavior, and the development of recent treatment technologies within the last five years. Several techniques, including adsorption using modified or composite materials, biosorption utilizing microalgae and agricultural biomass, as well as solidification–stabilization with amendment agents such as biochar or iron-sulfide compounds, are evaluated and compared. The literature indicates that no single treatment method is universally effective for all waste types; therefore, hybrid or integrated treatment systems are considered more efficient and sustainable. Based on the reviewed evidence, this study proposes an engineering concept that emphasizes environmental safety, cost-effectiveness, and industrial applicability.
PEMANFAATAN SENYAWA KOMPLEKS FE KELAT (EDTA, DTPA, EDDHA, AMINO) DALAM BIDANG PERTANIAN: SEBUAH TINJAUAN Hasibuan, Hanisah; Tarigan, Anjany Tasya Br; Jahro, Iis Siti; Nurfajriani
Unesa Journal of Chemistry Vol. 14 No. 2 (2025): Vol 14 No 2 (2025)
Publisher : Department of Chemistry, Faculty of Mathematics and Natural Sciences, Surabaya State University, located at Jl Ketintang, Surabaya, East Java, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ujc.v14n2.p41-49

Abstract

This study discussed the use of iron (Fe) complex compounds in the form of chelates such as EDTA, DTPA, EDDHA, and amino chelates to overcome Fe deficiency in plants. Fe deficiency often occurs in soils with high pH or calcareous soils, which can be seen from chlorosis in leaves and decreased productivity. This study was aimed to review the synthesis, stability, agronomic effectiveness, and environmental impact of various types of Fe chelates. The methods used in this study were literature studies, with data sources covering articles from 2016 to 2025, with a particular focus on articles discussing the use of Fe chelates in plants. The findings of this study indicated that Fe-EDTA works well at low to moderate pH levels but is less stable in alkaline soils. Fe-DTPA showed moderate stability up to pH 7, while Fe-EDDHA had high stability even at pH 9, making it more suitable for calcareous soils. More environmentally friendly alternatives such as Fe-amino chelates have been proven to be more easily absorbed, have a positive impact on the environment, and also function as biostimulants. Therefore, further research is recommended to explore the development of environmentally friendly and effective Fe-chelates in alkaline soils to reduce residues from synthetic materials.
PEMANFAATAN MATERIAL BIOMASSA DAN LIMBAH INDUSTRI SEBAGAI ADSORBEN RAMAH LINGKUNGAN UNTUK PENURUNAN KADAR ION CD(II) DAN ZN(II) DALAM LIMBAH CAIR Jahro, Iis Siti; Tarigan, Aulya Nurfaza Br.; Pandiangan, Elsa Elperida; Silaban, Regina Tesalonika; Kembaren, Theresya Yolanda; Simanullang, Vanessa Putri Rizky
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol 8, No 4 (2025): November 2025
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v8i4.4939

Abstract

Abstract: This study aims to evaluate the effectiveness of utilizing biomass and industrial waste materials as environmentally friendly adsorbents in reducing the levels of heavy metal ions Cd(II) and Zn(II) in industrial wastewater. The research sample was a synthetic waste solution with a metal concentration of 10100 ppm as a model population. The sampling technique used was purposive sampling on four types of adsorbents, namely SCOBY, EDTA-activated teak wood powder, modified fly ash, and iron-magnesium waste. Data were collected through laboratory experiments with metal content measurements using Atomic Absorption Spectroscopy (AAS). Data analysis included Langmuir and Freundlich isotherm methods, as well as pseudo-first and second-order adsorption kinetics models to understand the adsorption mechanism. The results showed that ironmagnesium waste was able to reduce Cd(II) and Zn(II) levels by more than 99%, followed by fly ash and SCOBY biomass with significant efficiency. This study demonstrates the great potential of sustainable adsorbent materials that support the principles of a circular economy and more environmentally friendly waste management solutions. It is recommended to develop industrial scale applications to support the Sustainable Development Goals in the field of providing clean water and proper sanitation.Keyword: Environmentally Friendly Adsorbent, Biomass, Industrial Waste, Heavy Metal Ions, Cd(II), Zn(II)Abstrak: Penelitian ini bertujuan untuk mengevaluasi efektivitas pemanfaatan material biomassa dan limbah industri sebagai adsorben ramah lingkungan dalam menurunkan kadar ion logam berat Cd(II) dan Zn(II) dalam limbah cair industri. Sampel penelitian berupa larutan limbah sintetik dengan konsentrasi logam 10100 ppm sebagai populasi model. Teknik sampling yang digunakan adalah purposive sampling pada empat jenis adsorben, yaitu SCOBY, serbuk kayu jati teraktivasi EDTA, fly ash termodifikasi, dan limbah besi-magnesium. Data dikumpulkan melalui eksperimen laboratorium dengan pengukuran kadar logam menggunakan Atomic Absorption Spectroscopy (AAS). Analisis data meliputi metode isoterm Langmuir dan Freundlich, serta model kinetika adsorpsi pseudo-orde satu dan dua untuk memahami mekanisme penyerapan. Hasil menunjukkan bahwa limbah besi-magnesium mampu menurunkan kadar Cd(II) dan Zn(II) hingga lebih dari 99%, diikuti oleh fly ash dan biomassa SCOBY dengan efisiensi yang signifikan. Penelitian ini menunjukkan potensi besar material adsorben berkelanjutan yang mendukung prinsip ekonomi sirkular dan solusi pengelolaan limbah yang lebih ramah lingkungan. Disarankan pengembangan skala aplikasi industri guna mendukung tujuan Sustainable Development Goals pada bidang penyediaan air bersih dan sanitasi layak.Kata kunci: Adsorben Ramah Lingkungan, Biomassa, Limbah Industri, Ion Logam Berat, Cd(II), Zn(II)
SOSIALISASI PEMBUATAN FILTER AIR SEDERHANA BERBASIS MEDIA ALAM UNTUK MENURUNKAN KADAR CD DAN ZN TERHADAP MAHASISWA JURUSAN KIMIA Christin Angeline Laia; Delima Sianturi; Kristian Turnip; Nazwa Ramadhani; Ririn Denita Sinaga; Wiranda Hasibuan; Iis Siti Jahro
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 11 No. 04 (2026): Volume 11 No. 04 Desember 2025 In Build
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v11i04.9214

Abstract

This outreach activity aimed to enhance Chemistry students’ understanding of heavy metal contamination (Cd and Zn) and the use of simple natural-based filtration as a practical solution for reducing metal levels in water. The program included material delivery, filter demonstration, hands-on practice, and performance evaluation. The filter—composed of cotton, sand, gravel, activated carbon, and zeolite—operated through physical screening, adsorption, and ion-exchange mechanisms. Results showed that students successfully built the filter, understood the scientific processes involved, and observed reduced turbidity and a potential decrease in Cd and Zn. The activity provided educational benefits, improved environmental literacy, and strengthened practical skills in low-cost water treatment technology.
Co-Authors Adelia Yesya Putri Hasibuan Agnes Yuniarty Simbolon Aldo Geo Frengky Saragih Amalia, Meisya Anggun Maharani 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 Az Zahra, Salwa Banu Nursanni Bohari M. Yamin Bohari M. Yamin Br Bangun, Kurnia Wati Catur Kurniawan Christin Angeline Laia CINDY CINDY Daeli, Dinastini Damanik, Haryana Damanik, Syifa Namira Debora Putri Sitorus Debora Putri Sitorus Delima Sianturi Desri Berliana Daeli Djulia Onggo Djulia Onggo Djulia Onggo Dwi Rahmanisa Dwiyanda, Fadhilla Efrio Angelina Sitio Elit Manaman Gulo Esther Jacoba Martha Vertelman Fadhila, Nabila Nur Fahimah Martak Fitria Febrianti, Fitria Gavril Orlando Tumio Manalu Gurning, Mita Agresia Harahap, Dhini Haryati Hasibuan, Hanisah Hotma Br Butar Butar 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 Kembaren, Theresya Yolanda Khaira, Mutiah Khuzaimah Dasopang Kristian Turnip Maibang, Siti Rahmah MANIK, INDA WATI Manullang, Marisa Marham Sitorus Marpaung, Mutiara Evelin Yoseva Meli Sartika Silaban Moondra Zubir Mutia Patmasari Batubara Nasution, Anisa Nursalsabillah Nasution, Fadiya Malona Nasution, Rida Anastasia Nazwa Ramadhani Nikita, Ade Rani Nurfajriani Nursanni, Banu Pandiangan, Elsa Elperida Panjaitan, Nola Sari Petra van Koningsbruggen Pratama, Muhammad Rizky Putri Faradilla Putri Rizkia, Putri Putri Yustika Sary Rafida Khairani Ratu Evina Dibyantini Ratu Evina Dibyantini Regina Gresella Br Panjaitan Retno Dwi Suyanti Ririn Denita Sinaga Rode Juwita Sinaga Said, Fahrezi Hasyim Sakinah, Sheila Saragih, Innovayani Sarah, Arina Sami Sarnika Simbolon Sary, Putri Yustika SATI, NAFFA Sembiring, Niki Arih Ersada Br Sembiring, Silvia Gressiela Br Siahaan, Suria Bersinar Sihombing, Cindy Monalisa Sijabat, Hotman Priwaldi Silaban, Regina Tesalonika SIMANJUNTAK, PUTRINA Simanullang, Selafionita Simanullang, Vanessa Putri Rizky Simaremare, Happy G. Maritoma Simatupang, Septania Oniza Sinaga, Steven 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 Syafira, Eka Ananda Syafitri, Amelia Syafriani Syafriani, Syafriani Syahputra, Ricky Andi Tama, Gita Citra Tania Evelin Tarigan, Anjany Tasya Br Tarigan, Aulya Nurfaza Br. Turnip, Yulika Hotrina Vebilla May Ningsih Veronika, Christy Chirona Windayani, Neneng Wiranda Hasibuan