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All Journal SALAM: Jurnal Sosial dan Budaya Syar-i COMPETITIVENESS JOURNAL Jurnal Sains dan Teknologi Pangan Jurnal EMT KITA Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Akademika Kimia BIOEDUSCIENCE Martabe : Jurnal Pengabdian Kepada Masyarakat Indonesian Journal on Learning and Advanced Education (IJOLAE) Cakrawala Indonesia Jurnal Ilmiah Kesehatan Diagnosis Journal of Governance and Local Politics (JGLP) Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal Nuansa Akademik: Jurnal Pembangunan Masyarakat Jurnal Riset dan Inovasi Pembelajaran Media Eksakta Jurnal Akademika Kimia Kande : Jurnal Ilmiah Pendidikan Bahasa dan Sastra Indonesia Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences KOLONI Jurnal Banua Oge Tadulako JLE: Journal of Literate of English Education Study Program Jurnal Akademika Kimia Health Science & Biomedical Journal (HSBJ)

Sitti Aminah

Program Studi Pendidikan Kimia, Universitas Tadulako, Indonesia

Author-ID : 226334

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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The Effect of Cooperative Learning Model STAD Type Based on Mind Mapping toward Students’ Learning Outcomes on Chemical Bond Material in 10th Grade SMA Negeri 1 North Parigi Nurhijrah Nurhijrah; Paulus H. Abram; Sitti Aminah
Jurnal Akademika Kimia Vol. 9 No. 3 (2020)
Publisher : Universitas Tadulako

This study aimed to describe the effect of cooperative learning model STAD type based on mind mapping toward students’ learning outcomes on chemical bond material in 10th Grade SMA Negeri 1 North Parigi. This type of research was quasi experiment with a non-randomized pretest posttest control group design. Sampling was done based on special considerations (purposive sampling). The sample used in this study were students of class X Science 1 as the experimental class (n = 22) and class X Science 2 as the control class (n = 23). The results of data analysis obtained the average value ( ) of the experimental class was 72.18 with a standard deviation of 13.12, while of the control class was 66.21 with a standard deviation of 10.04. The results of hypothesis testing with one-party t-test statistics (right party) obtained a value of tcount = 6.03 and ttable = 1.68 with a significant level of ( ) = 0.05 and dk = 43. This indicated that H0 was rejected and H1 was accepted so it can be concluded that learning outcomes with cooperative learning model STAD type based mind mapping was higher than the direct learning model on chemical bonding.

The Ability of Chemistry Problem Solving of Senior High School Students in Palu Sulawesi Tengah Ijirana Ijirana; Sitti Aminah; Supriadi Supriadi; Detris Poba
Jurnal Akademika Kimia Vol. 10 No. 2 (2021)
Publisher : Universitas Tadulako

The research is purposed to describe the problem-solving ability of the Senior High School XI grader students in Palu city. The measurement of the problem-solving ability could be determined by solving the exercises of Hydrocarbon and Thermochemistry topics using the Polya’s sequences; consisting of understanding the problem, devising, doing the plan, and evaluating. The ability of students’ problem solving is classified well in every sequence in case of the number of high category students is 60%. The samples are 240 of 507 XI grade students learning chemistry in SMAN 3 and SMA Madani Terpadu in Palu City. The data of problem-solving is determined by providing a test in the form of a validated assay. The result shows the average of XI graders in Palu City only capable of solving the problem without understanding, devising, and evaluating while solving hydrocarbon topics. The ability is not even possessed by students in Thermochemistry. It implies that senior high school students in Palu could not represent the problem in the form of figure, symbol, statement, and mathematics statement or have not been able to devise the problem solving and correlate the obtained result with the related theory or concept. Therefore, the students should be trained to solve the problem in learning by application the problem-solving sequences.

Determination of Vitamin C and Metal Copper (Cu) Levels in Katokkon Chili (Capsicum chinense Jacq) Based on Maturity Level Novianti Patiung; Daud K. Walanda; Sitti Aminah
Jurnal Akademika Kimia Vol. 10 No. 3 (2021)
Publisher : Universitas Tadulako

Katokkon chili is one type of chili grown mainly in the Tana Toraja district, and the people use this plant as a typical spice with variations colors from green, orange, and red. It is assumed that the plant is rich in vitamins and minerals. This study aims to determine the levels of vitamin C and copper metals in katokkon chili based on their level of maturity. Vitamin C and copper levels were determined by spectrophotometry. The results showed that the highest level of vitamin C was 23.52 and 5.12 mg/kg in both wet and dry orange chilies, while the highest copper level was found in green chili was 12.25 mg/kg

Ethanol Extract Antioxidant Activity Test of Tembelekan (Lantana camara L.) using 1,1-diphenyl-2-picrylhydrazyl (DPPH) Reagent Sitti Aminah; Evi R. Amelia
Jurnal Akademika Kimia Vol. 11 No. 3 (2022)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2022.v11.i3.pp153-158

The plant prickly lantana (Lantana Camara L.) contains alkaloids, flavonoids, saponins, tannins, and triterpenoids and has the potential to be used as a natural antioxidant source. The research objective is to determine the IC50 value for the antioxidant activity of prickly lantana leaf extract. Prickly lantana leaves were macerated in a 96% ethanol solvent for 3x24 hours. Phytochemical analysis of prickly lantana leaves revealed that the leaves contained alkaloids, flavonoids, saponins, and tannins. This antioxidant activity test was performed using the reagent 1,1-diphenyl-2-picrylhydrazyl (DPPH), whose absorption at 517 nm was measured using a UV-Vis spectrophotometer, and by varying the sample concentration after the addition of prickly lantana leaf extract. The concentrations of prickly lantana leaf extract used varied from 20 ppm to 40 ppm, 60 ppm, and 80 ppm. The positive control was vitamin C at the same concentration variation, and the negative control was DPPH solution dissolved in 96% ethanol. The results showed that the IC50 of prickly lantana leaf extract was 164.639 ppm, while vitamin C had an IC50 of 18.754 ppm.

Analisis Kandungan Asam Lemak Ikan Sidat (Anguilla Bicolor) Asal Danau Poso Yulvani Toiba; Sri Mulyani Sabang; Tahril Tahril; Sitti Aminah
Media Eksakta Vol 18 No 2 (2022)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/me.v18i2.2349

Analysis of Fatty Acid Content of Eel (Anguilla Bicolor) from Lake Poso. Skipsi, Chemistry Education Study Program, Department of Mathematics and Natural Sciences Education, Tadulako University, Palu. Advisor Sri Mulyani Sabang. The purpose of this study was to determine the fatty acid content of eel (Anguilla Bicolor) originating from Lake Poso. The method used to analyze the fat content was the shoxletation extraction method. The results showed that the fat content of eel (Anguilla Bicolor) from Lake Poso = 1.94%. Meanwhile, to determine the fatty acid composition of eel, it was analyzed using gas chromatography with the composition of fatty acids found in eel (Anguilla Bicolor) including saturated fatty acids 51.89%, monounsaturated fatty acids = 42.68%, and unsaturated fatty acids. plural saturation = 7.99%. Eel has many benefits for the human body, eel meat is rich in protein, vitamins, fatty acids, and micro elements (minerals). The content of vitamins in eels include vitamin A, vitamin B1, and vitamin B2, as well as micro elements such as Zn (Zink). In addition to vitamins and micro elements, eels also contain unsaturated weak acids needed by the body, including omega fatty acids which are useful for the development of children's brain cells.

Analisis Logam Merkuri (Hg) pada Air Sungai Janja di Derah Pertambangan Mita Rosita; Tri Santoso; Sitti Aminah; Sri Hastuti Virgianti Pulukadang
Media Eksakta Vol 18 No 2 (2022)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/me.v18i2.2374

Mercury metal (Hg) is included in the heavy metal group which is toxic because it has neurotoxin properties for living things. As a heavy metal, mercury (Hg) will be difficult to decompose if it enters the waters, mercury (Hg) will also form deposits in sediments. Mercury is found in nature and is found in soil, water and air. Mercury is rarely found in its free form in nature but is in the form of cinnabar (HgS) seeds. Mercury metal is usually easy to find in mining areas, such as in gold mining areas. Gold mining is one of the activities that can increase people's income, but gold mining can be detrimental if in its implementation it is not followed by a good gold processing waste treatment process. The method used in this research is cold vapor atomic absorption spectrophotometry. The results obtained in this study are the metal content of miner 1 as many as 3 samples. Sample 1 has a concentration of 1.2594 ppm; sample 2 has a concentration of 0.4924 ppm; and sample 3 has a concentration of 0.2091 ppm. Miner 2 as many as 3 samples of which sample 1 has a concentration of 1.0260 ppm; sample 2 has a concentration of 0.3401 ppm; and sample 3 has a concentration of 0.3152 ppm. And miner 3 has 3 samples where sample 1 has a concentration of 0.7215 ppm; sample 2 has a concentration of 0.2464 ppm; and sample 3 has a concentration of 0.3461 ppm. The results obtained from the calculation of metal concentrations of mercury (Hg) show that the water of the Janja river has been contaminated with heavy metals, namely mercury (Hg). This is due to mining in the Janja river.

Penerapan Model Pembelajaran Kooperatife Tipe Think Pair Share (TPS) Pada Meteri Tata Nama Senyawa Terhadap Peningkatan Hasil Belajar Siswa Kelas X SMA Negeri 1 Bahodopi Marwina Marwina; Sitti Aminah
JURNAL BANUA OGE TADULAKO Vol 1 No 2 (2022)
Publisher : Universitas Tadulako

This study was conducted to describe the increase in student learning outcomes after the application of the Think Pair Share (TPS) cooperative learning model in Class X Compound Nomenclature at SMA Negeri 1 Bahodopi. This type of research is a Pre-Experimen research with one group Pre-test and Post-test design. The population in this study were all students of class X MIA at SMA Negeri 1 Bahodopi which consisted of three classes, namely class X MIA 1, MIA 2, and X MIA 3 with a total of 91 students. The sample in this study were 30 students of class X MIA 3 as Experiment class 1 and students of class X MIA 1 as many as 30 people as experiment class 2. The sampling technique used was purposive sampling. The instrument of this research is a test of learning outcomes. In the replication class 1, the student's learning outcomes were 75.83, while the replication class 2 was 76.83. The research data obtained from the two classes were analyzed using the N-Gain test, which was used to determine the increase in student learning outcomes. The data from the N-Gain test was obtained in the replication class 1 which was an average of 0.62 and the replication class 2 was an average of 0.63. The results of the data from the N-Gain test obtained that g = value 0.30 (<g>) <0.70 was in the medium category, which indicated that there was a change in student learning outcomes after the application of the Think Pair Share (TPS) cooperative learning model.

Pelatihan Pengembangan Modul Praktikum Berbasis Green Chemistry Bagi Guru-Guru di MGMP Kimia Kota Palu Sitti Aminah; Sitti Rahmawati; Ijirana; Nurbaya Nurbaya; Magfirah Magfirah; Paulus Hengki Abram
Jurnal Pengabdian kepada Masyarakat Nusantara Vol. 4 No. 4 (2023): Jurnal Pengabdian kepada Masyarakat Nusantara (JPkMN)
Publisher : Cv. Utility Project Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55338/jpkmn.v4i4.2209

Program pengabdian masyarakat ini dilaksanakan dalam rangka melatih guru-guru kimia untuk membuat dan mengembangkan modul praktikum agar memudahkan guru kimia dalam proses pembelajaran terutama yang berhubungan dengan praktikum dan secara khusus untuk meningkatkan kreativitas merancang dan mengembangkan modul praktikum berbasis green chemistry, keterampilan dalam penerapan model pembelajaran inovatif dengan pendekatan TPACK-HOTS, dan dalam pengelolaan laboratorium. Kegiatan dilaksanakan dalam bentuk pelatihan menggunakan metode ceramah, diskusi, dan praktek serta dilakukan tindak lanjut dengan melakukan pendampingan pada guru-guru (SMA/SMK/MA) di MGMP Kimia Kota Palu. Tahapan kegiatan pengabdian ini terdiri dari 3 tahapan utama, yaitu tahap persiapan, tahap pelaksanaan dan tahap evaluasi. Sasaran kegiatan ini adalah 20 orang guru anggota MGMP Kimia Kota Palu. Selanjutnya, guru kimia yang mengikuti pelatihan diminta membimbing teman sejawat guru kimia yang ada di tempatnya. Target modul praktikum yang berisi prosedur praktikum yang memanfaatkan bahan dan alat yang sederhana berbasis green chemistry yang terkumpul dari kegiatan pengabdian ini adalah minimal 4 judul. Secara keseluruhan, kegiatan ini dinyatakan berhasil apabila khalayak sasaran sudah terlatih untuk membuat modul praktikum berbasis green chemistry yang dapat diaplikasikan dalam pembelajaran.. Hal ini dapat dilihat dari bahan alat dan prosedur praktikum yang sudah sesuai dengan prinsip dasar green chemistry, yaitu ramah lingkungan, mengurangi pencemaran lingkungan, tidak tergolong dalam bahan berbahaya.

Determination Of Total Flavonoid Content In Bangle Plant (Zingiber Montanum)Extraction Results Sri Hastuti Virgianti Pulukadang; Sitti Rahmawati; Tri Santoso; Siti Fatimah; Sitti Aminah; Purnama Ningsih; Magfirah
Jurnal Penelitian Pendidikan IPA Vol 10 No 8 (2024): August
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i8.7893

The bangle plant (Zingiber montanum) is a plant that has been used traditionally as a medicinal ingredient, both for prevention and treatment by the community. Parts of the bangle plant contain active compounds that act as antioxidants, one of which is flavonoids. This research aims to determine the total flavonoid content in bangle plants from the extraction results measured using a UV-Vis spectrophotometer. The method for separating flavonoid levels used is maceration. The research results showed that positive test results were obtained for flavonoid compounds in bangle rhizomes as evidenced by qualitative test results which produced a red color in the sample extract and the average total flavonoid content in bangle rhizomes from the extraction results measured using a UV-Vis spectrophotometer was 23. 1mg/100g.

Utilization of Kalpataru Flower Extract (Hura crepitans Linn) as an Alternative Acid Base Indicator Bayu Riswanto; Sitti Aminah
Jurnal Akademika Kimia Vol. 9 No. 3 (2020)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2020.v9.i3.pp148-157

Kalpataru flower (Hura crepitans Linn) is an anthocyanin-containing plant. This study aims to utilize extract from the kalpataru flower as an alternative acid base indicator and determine the type of acid-base titration suitable for extracting the kalpataru flower indicator. Kalpataru flowers are macerated with methanol solvent for around 2 hours. Kalpataru flower extract was tested as an indicator in acid-base solution, buffer, and compared with phenolphthalein and methyl orange for acid-base titration, namely: strong acids with strong bases, weak acids with strong bases, and weak bases with strong acids. The results obtained in this study were: indicator extract of brownish yellow kalpataru flowers, in strong red acids, in strong bases of dark green, in weak pink acids, and in weak bases in light green. In the buffer, the indicator extract of the kalpataru flower has a range of pH pH 4-5 (pink-colorless) and pH 9-11 (yellowish green-dark green). The indicator of kalpataru flower extract can be used on strong acid titration with strong bases, weak acids with strong bases and weak bases with strong acids. Kalpataru flower extract can be used as an acid-base indicator.

Co-Authors ABDU RAHMAN BACO, ABDU RAHMAN Abdul Hamzah Abdurrahman Mujahida Adim, Adim ahmad yani Ambo Upe Andi Badli Rompegading Azhari Azhari Azniah Syam Bayu Riswanto Boroallo, Paramitha Yemima Daud Karel Walanda Detris Poba Detti Uleng, Andi Dyah Kusuma Wardani, Dyah Kusuma Evayana Evayana Evi R. Amelia Faradillah, Asirah Fatahangi, Andi Gusti Ayu Arini Hair, Miftahul Hardianti Arafah, Eka HARMILAWATI Herlina, Besse Hermawati Hilmi Hambali, Hilmi I Komang Werdhiana Ijirana Ikhsan Ibrahim Irfandi, Rizal Irwan Said Ismail, Imran J, Jusriadi Jamaludin M Sakung Jusman Mansyur Lestari, Sri Ayu Lilies N Tangge Magfirah Magfirah Magfirah Marwina Marwina Masriani . Minarni Rama Jura Mita Rosita Muh. Rizal Muhammad Arafah Mustaking, Mustaking Muzakkir nasir, muh Novianti Patiung Nurbaya Nurbaya Nurcaya Nurcaya Nurdiyanti, Nurdiyanti Nurhijrah Nurhijrah Nusratullah Nusratullah Octaviary, Anggi Chairani Oktavia, Rini Pane, Sri Gustina Paulus H. Abram Paulus Hengki Abram Pratiwi Nova Sari Purnama Ningsih Putri, Nur Fisabilianti RANGGA ADITYA Ratman Riza, Tauviq Sabaruddin Sabaruddin Sappewali, Sappewali Setiawan, Topan Shiddiq, Ady Akmal Silvia, Yunita Siti Fatimah Sitti Rahmawati Sri Hardianti Rosadi Sri Hastuti Virgianti Pulukadang Sri Mulyani Sabang Sufia, Sufia Supriadi Supriadi Syamsiar, Syamsiar Syamsu Rijal Tahril Tamrin Tamrin Tanri, C. Selry Tri Santoso Tri Santoso Trywulan Syah, Uswah Yanti Oktoviana Yanti, Reski Yuli Nurmayanti Yulvani Toiba ZUWANDA, ARI

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