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Syarifatul Mubarak
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SPIN: Jurnal Kimia & Pendidikan Kimia
Published by Universitas Islam Negeri Mataram
ISSN : 25802623     EISSN : 27456854     DOI : https://doi.org/10.20414/spin
Core Subject : Science, Education,
Chemistry Education
SPIN adalah jurnal berkala yang diterbitkan dua kali setahun pada bulan Juni dan Desember oleh Program Studi Tadris Kimia FTK UIN Mataram. Jurnal ini berisi artikel yang diangkat dari hasil penelitian atau kajian analitis kritis kepustakaan khususnya di bidang kimia dan pendidikan kimia. SPIN: Jurnal Kimia & Pendidikan Kimia is a Chemistry and Chemistry education journal published by Program studi Tadris Kimia, Universitas Islam Negeri (UIN) Mataram. SPIN is published twice a year (June and Desember) as scientific communication means of academic people in the study of Chemistry and Chemistry education. Editorial board receives the articles from the educators, observers, researchers on chemistry and chemistry education to be published after having tight selection, peer review, and serious editing. p-ISSN: 2580-2623. e-ISSN: 2745-6854. This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 115 Documents
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ANALYSIS OF STUDENT MISCONCEPTIONS ON ATOMIC, MOLECULAR, AND IONIC MATTER: THE FOUNDATION OF DEVELOPING AUGMENTED REALITY AS AN INNOVATIVE SOLUTION: ANALISIS MISKONSEPSI SISWA PADA MATERI ATOM, MOLEKUL, DAN ION: LANDASAN PENGEMBANGAN AUGMENTED REALITY SEBAGAI SOLUSI INOVATIF Anwar, Dede Miftahul; Subarkah, Cucu Zenab; Sukmawardani, Yulia
SPIN JURNAL KIMIA & PENDIDIKAN KIMIA Vol. 6 No. 1 (2024): Januari - Juni 2024
Publisher : UIN Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/spin.v6i1.9487

Abstract

Studi ini menganalisis miskonsepsi siswa pada materi atom, molekul, dan ion serta merancang solusi inovatif menggunakan Augmented Reality (AR). Materi tersebut menjadi dasar dalam ilmu kimia, namun pemahaman siswa seringkali kurang memadai dan miskonsepsi. Metode penelitian yang digunakan adalah deskriptif dengan pendekatan kualitatif dan kuantitatif. Instrumen three-tier diagnostic digunakan untuk mengidentifikasi miskonsepsi siswa, dilengkapi dengan wawancara guru. Sampel penelitian melibatkan 2 guru dan 61 siswa dari MA Nahdlatul Falah dan SMK Karya Budi di Kab. Bandung. Hasil analisis miskonsepsi menunjukkan pola miskonsepsi pada konsep atom, molekul, dan ion. Miskonsepsi melibatkan kesalahan factual, konseptual, dan metakognitif. Untuk mengatasi miskonsepsi, pengembangan instrumen three-tier diagnostic diperluas dengan pendekatan multi-representasi, mencakup representasi makroskopis, submikroskopis, dan simbolik. Solusi inovatif dalam bentuk AR dikembangkan sebagai media pembelajaran untuk meningkatkan pemahaman siswa. Elemen-elemen AR disusun berdasarkan analisis miskonsepsi, termasuk model 3D molekul senyawa, animasi struktur atom, dan simulasi interaktif rumus kimia. Penelitian ini memberikan kontribusi dalam merancang solusi pembelajaran inovatif untuk mengatasi miskonsepsi siswa. Augmented Reality menjadi alternatif yang potensial untuk meningkatkan representasi visual dalam pembelajaran kimia. Diharapkan pengembangan AR dapat menjadi panduan bagi pendidik dalam merancang strategi pembelajaran yang lebih efektif dan bermakna pada materi atom, molekul, dan ion.
ANTIDIABETIC ACTIVITY OF THE COMBINATION OF SEPAT RAWA FISH FLOUR (Trichopodus thricopterus) AND ETHANOL EXTRACT OF RAMANIA LEAVES (Bouea Macrophylla Griffith): AKTIVITAS ANTIDIABETES KOMBINASI TEPUNG IKAN SEPAT RAWA (Trichopodus thricopterus) DAN EKSTRAK ETANOL DAUN RAMANIA (Bouea Macrophylla Griffith) Fitriyanti; Ika Astuti, Karunita
SPIN JURNAL KIMIA & PENDIDIKAN KIMIA Vol. 6 No. 1 (2024): Januari - Juni 2024
Publisher : UIN Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/spin.v6i1.9505

Abstract

Diabetes mellitus is a metabolic disease with impaired insulin secretion. Sepat Rawa fish has been proven to contain alpha-amino acids, which can increase insulin action by increasing energy in the cell metabolic cycle. Ramania leaves contain compounds for antidiabetic treatment, such as saponins and flavonoids. This study aims to find the best dose to increase the antidiabetic activity of the combination of sepat rawa fish meal and ethanol extract of ramania leaves. This research activity uses pre- and post-tests with a control group design. The 25 mice used were divided into 5 groups, namely group I: negative control (CMC Na 0.5%), group II: positive control (glibenclamide 3 mg/kgBW), group III: sepat Rawa fish meal dose of 300 mg/kg. KgBW, group IV: ramania leaf extract at a dose of 300 mg/kg BW, group V: a combination of fish meal 300 mg/KgBW and ethanol extract of ramania leaf 300mg/kg BW. Mice were induced by alloxan to experience hyperglycemia. Observations on the decrease in blood sugar levels of each test group were carried out on the 7th day after alloxan induction by taking sufficient blood from the tails of mice and measuring using glucose. Data was analyzed for variance (ANOVA) (p=0.05). The result is that a single group of Ramania extract with a dose of 300 mg/KgBB shows the best activity with a percent decrease in blood sugar levels by 28.438,  a combination dose of 25.107 %, and a Sepat Rawa dose of 21,675%. The Third of them was not significantly different with positive control.
THE INFLUENCE OF PROBLEM BASED LEARNING AND DISCOVERY LEARNING ASSISTED WITH ANIMATED VIDEO MEDIA ON STUDENTS' SCIENTIFIC LITERACY CAPABILITY ON CHEMICAL EQUILIBRIUM MATERIALS: PENGARUH PROBLEM BASED LEARNING DAN DISCOVERY LEARNING BERBANTUAN MEDIA VIDEO ANIMASI TERHADAP KEMAMPUAN LITERASI SAINS SISWA PADA MATERI KESETIMBANGAN KIMIA Sinuraya, Elsa; Susanti, Nora; Rismawati, Eni
SPIN JURNAL KIMIA & PENDIDIKAN KIMIA Vol. 6 No. 1 (2024): Januari - Juni 2024
Publisher : UIN Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/spin.v6i1.9768

Abstract

The aim of this research is to determine whether there is an increase and difference in the scientific literacy abilities of students who are taught using the Problem-Based Learning model and the Discovery Learning model assisted by animated video media on chemical equilibrium material. The population of this study was all students in class XI Science. The sampling technique was carried out using purposive sampling, resulting in class XI IPA 5, totaling 34 students, as experimental class I and XI IPA 6, totaling 36 students, as experimental class II. The results of students' scientific literacy abilities taught using the Problem-Based Learning model have increased with an average value from 47.05 to 82.94, as well as the results of students' scientific literacy abilities taught using the Discovery Learning model, namely with an average value of 44. 17 to 79.94. Through hypothesis testing using the Independent Sample T-Test with the prerequisites of normality and homogeneity, a Sig (2-tailed) value of 0.024 was obtained. So the value 0.024 < 0.05, so Ha is accepted. The results of this research show that there are differences in the scientific literacy abilities of students taught using the Problem-Based Learning model and the Discovery Learning model assisted by animated video media on chemical equilibrium material.
ETHANOL EXTRACT OF MATOA (Pometia pinnata) AS NATURAL ANTIOXIDANT TO INHIBIT OXIDATION REACTION OF CRUDE PALM OIL: EKSTRAK ETANOL DAUN MATOA (Pometia pinnata) SEBAGAI ANTIOKSIDAN ALAMI UNTUK MENGHAMBAT REAKSI OKSIDASI PADA CRUDE PALM OIL Sriwijayanti; Hidayatullah, Ryan; Musa, Weny JA; Bialangi, Nurhayati; Situmeang, Boima; Widiyanto, Holisha; Lailatussholihah, Isna
SPIN JURNAL KIMIA & PENDIDIKAN KIMIA Vol. 6 No. 1 (2024): Januari - Juni 2024
Publisher : UIN Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/spin.v6i1.9797

Abstract

Indonesia is the 2nd largest country in the world in terms of palm oil production. The demand for Crude Palm Oil increases every year. For this reason, Indonesia is expected to be able to compete at the international industry level in producing palm oil, with the aim of being able to produce good quality palm oil among industries in other countries. The problem that often occurs in CPO factories is a decrease in the quality of CPO caused by an increase in Free Fatty Acid (FFA) levels and Peroxide Numbers. Antioxidants are substances that can delay or prevent the occurrence of free radical anti-oxidation reactions in the oxidation of fats or oils. Natural antioxidants are antioxidants that are obtained directly from nature. Natural antioxidants are antioxidants that are obtained directly from nature. One of them is the leaf of the matoa plant (Pometia pinnata). Based on the results of this study, the antioxidants of the ethanol extract of the matoa plant can reduce levels of FFA and peroxide numbers depending on the length of time the antioxidant mixture is given to CPO. In this study, a decrease in FFA levels and peroxide numbers was obtained from samples on day - 10 with the addition of 5000 ppm antioxidants, namely 2.71%. while the peroxide number is 0.83%.
SYNTHESIS AND CHARACTERIZATION OF CRAB SHELL CHITOSAN SOLID ELECTROLYTE POLYMER (SPE) MEMBRANE Mu'ayanah; Multazam; Ndruru, Sun Theo C.L.
SPIN JURNAL KIMIA & PENDIDIKAN KIMIA Vol. 6 No. 2 (2024): July - December 2024
Publisher : UIN Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/spin.v6i2.10044

Abstract

Efforts to prevent a global energy crisis by using renewable and environmentally friendly energy. Batteries are an alternative to replace non-renewable energy. However, in the battery, there is an electrolyte component which when finished using the battery will cause waste that causes the soil to become toxic. This study aims to determine the characterization of chitosan solid electrolyte membranes, in crab shells. The characterization carried out is the characterization of crab shell chitosan using an FTIR spectrophotometer, ion conductivity analysis of solid electrolyte membranes using an LCR Meter, and tensile tests using Tensilon. The method used in this research is experimental. Isolation of chitin and chitosan from crab shells was carried out in several stages, namely deproteination, demineralization, and deacetylation. The chitosan-lithium membrane was prepared by casting method with the addition of 15% lithium salt. The value of the degree of deacetylation in crab shell chitosan is around 39.39%. Based on the characterization, the chitosan-lithium SPE membrane conductivity value is 1.11 x 10-7 S.cm-1 with a tensile strength value of 27.07 MPa.
ANTIBACTERIAL ACTIVITY TEST OF WATER APPLE LEAF EXTRACT Syzygium aqueum (Burm.f) Alston AGAINST Salmonella typhi BACTERIA USING ELISA READER Zulfiana, Salina; Azim, Muhlisun; Gemantari, Baiq Maylinda
SPIN JURNAL KIMIA & PENDIDIKAN KIMIA Vol. 6 No. 2 (2024): July - December 2024
Publisher : UIN Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/spin.v6i2.10169

Abstract

The water apple plant Syzygium aqueum (Burm. f) Alston is one of the plants used as traditional medicine due to its secondary metabolites such as flavonoids, steroids, terpenoids, alkaloids, tannins, phenols, saponins which can be utilized as antibacterials, antioxidants and others. This research aims to determine the IC50 antibacterial activity of the water apple leaf extract against Salmonella typhi ATCC-14028 bacteria in inhibiting bacterial growth. Extraction was carried out using multi-step maceration using n-hexane, ethyl acetate, and methanol as solvents to obtain the concentrated extracts. Antibacterial activity test was conducted by using the microdilution method on Mueller Hinton Broth media by calculating optical density (OD) values at concentrations of 500 ppm, 250 ppm, 125 ppm, 62.50 ppm, 31.25 ppm, 15.63 ppm, 7.831 ppm, and 3.906 ppm. The optical density value was measured at a wavelength of 595 nm by Elisa microplate reader. Phytochemical contents were investigated and the presence of flavonoid, phenol, steroid, and terpenoid compounds in the extracts was indicated. Water apple leaf extracts have antibacterial activity in inhibiting the growth of Salmonella typhi ATCC-14028 bacteria showing an IC50 value of n-hexane, ethyl acetate, and methanol extracts of 155,607 ± 30,592 µg/mL, 56.492 ± 50.124 µg/mL, 107.96 ± 50.124 µg/mL which is categorized as weak, strong, and moderate respectively.
INTEGRATION OF SOCIO-SCIENTIFIC ISSUES IN CHEMISTRY LEARNING OUTCOME TESTS TO MEASURE HIGH SCHOOL STUDENTS SCIENTIFIC EXPLANATION SKILLS Hanan, Annida Fadlila; Dra. Susila Kristianingrum, M.Si
SPIN JURNAL KIMIA & PENDIDIKAN KIMIA Vol. 6 No. 2 (2024): July - December 2024
Publisher : UIN Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/spin.v6i2.10179

Abstract

Socio-scientific issues (SSI) are controversial issues related to socio-science. SSI can be integrated into chemistry learning outcome tests to measure students’ scientific explanation skills. This research aimed to develop a socio-scientific issues based test to measure the scientific explanation skills of high school students in acid-base material. The development model used is an exploratory mixed method. Qualitative data were collected through needs analysis, literature studies for references for initial test development, expert feasibility test, and usability feasibility test (qualitative) to obtain input from experts and reviewers. The results of the quantitative test showed that the test developed has an ideal percentage of 87% (Very Good) according to the reviewer and 71% (Good) according to the students. The number of valid items based on the item fit test was 15. A total of 10 questions have the discrimination category very good, 3 questions were good, 1 question was fair, and 1 question was not able to discriminate. The difficulty level test revealed that 26,67% of the questions were very difficult, 26,67% of the questions were difficult, 33,33% of the questions were easy, and 13,33% of the questions were very easy. The Cronbach Alpha reliability value of the test was 0.77, categorized as good.
THE EFFECT OF PROBLEM BASED LEARNING MODELS BASED ON SOCIO-SCIENTIFIC ISSUES ON STUDENTS' CRITICAL THINKING SKILLS ON HYDROCARBON BURNING MATERIALS Ardianti, Dewi Linda; Feronika, Tonih; Wardani, Miessya
SPIN JURNAL KIMIA & PENDIDIKAN KIMIA Vol. 6 No. 2 (2024): July - December 2024
Publisher : UIN Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/spin.v6i2.10214

Abstract

Critical thinking skills in high school chemistry are still relatively low. One of the factors that causes students' low critical thinking skills is teachers who still dominate learning activities. This research aims to determine the effect of the Problem Based Learning (PBL) model based on Socio-scientific Issues (SSI) on students' critical thinking skills on hydrocarbon combustion material. This research was carried out at SMAN 11 South Tangerang City. The research method used in this research is a quantitative method with a quasi-experimental research method. The research sample was XI IPA 1A (as the experimental class) and XI IPA 1B (as the control class) with 16 students each. The instrument used was a description test with 22 questions representing 12 indicators of Robert H. Ennis' critical thinking. The results of the N-Gain data hypothesis test using the t-test (Independent Sample t Test) obtained a sig (2-tailed) < ?, namely 0.00 < 0.05 so H1 was accepted and H0 was rejected. This shows the influence of the problem based learning model based on socio-scientific issues on students' critical thinking skills on hydrocarbon combustion material.
COMPUTATIONAL STUDY: THE EFFECT OF BASIS SET ON THE ENERGY STABILITY OF HYDROCARBONS AND HALOGENIC ACIDS Nilawati; Priadana, Yogi Surya; Priadana, Yoga Surya; Azani, Zainina; Solin, Mardia; Hamidah; Pratiwi, Ika Bella
SPIN JURNAL KIMIA & PENDIDIKAN KIMIA Vol. 6 No. 2 (2024): July - December 2024
Publisher : UIN Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/spin.v6i2.10289

Abstract

This research is motivated by the many base sets contained in computational calculations. The selection and use of base sets play an important role in determining the accuracy of the calculation of theoretical molecular properties as well as in lowering the BSSE (base set superposition error). This study aims to analyze the influence of base set variations on the calculation of hydrocarbon and halogen acid energy stability using computational methods. The research method used is an experimental method. Molecular modeling using Avogadro software with the molecules used are halogen acid molecules and alkanes C1 - C5. The calculation uses NwChem software with the DFT method, functional BL3YP with 4 different base sets, namely STO-3G, 321-G, cc-pVDZ, and cc-pVTZ. The resulting data is then analyzed and compared with database calculations. The results of the study show that the higher the base set used, the more accurate the calculation results obtained. The base set that shows the most accurate results in this study is cc-pVTZ. However, it should be noted that the most accurate set bases can be different for each molecule. 
DEVELOPMENT OF DIGITAL COMIC BASED LEARNING MEDIA (CHEMTOON) WITH MARVEL APP ON CORROSION MATERIALS Alfu, siti Hana Irawarni; Irhamni; Wijayanti, Imas Eva
SPIN JURNAL KIMIA & PENDIDIKAN KIMIA Vol. 6 No. 2 (2024): July - December 2024
Publisher : UIN Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/spin.v6i2.10407

Abstract

This research project aims to design, develop and assess the feasibility of using chemical digital comic learning media (chemtoon) with the Marvel App on corrosion materials. Apart from that, to find out students' responses to digital comic learning media (chemtoon) with the Marvel App on corrosion material. Research uses methods research and development (R&D), with the ADDIE development model. The population of this research is all students in class XII Science. The sampling technique was purposive random sampling, obtained class XII-F Science, totaling 32 students as an experimental class. The results of media validation in developing digital comic-based media in the Marvel App show a Vcount value from media expert validators is greater than Vtable with a value of 0.85 – 0.95 > 0.80 , while the material expert assessment of all aspects shows a value of Vcount greater than Vtable with a value of 0.85 – 1 > 0.80. The results of student responses to digital comics obtained an average percentage of all aspects, namely 91.71%. This shows that the digital comic learning media (Chemtoon) with the Marvel App on corrosion material is valid, suitable for use and helps students' understanding of chemistry in corrosion material.

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