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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Ilmiah Multidisiplin
Azumi, Baiq Miftah
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Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Engineering Materials Science & Nanotechnology Physics

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Epoksidasi Minyak Inti Buah Nyamplung Secara Kemoenzimatik Azumi, Baiq Miftah; Suhendra, Dedy; Gunawan, Erin Ryantin
Jurnal Ilmiah Multidisipin Vol. 2 No. 5 (2024): Jurnal Ilmiah Multidisiplin, Mei 2024
Publisher : Lumbung Pare Cendekia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Epoksi merupakan eter siklik dengan cincin tiga anggota yang dapat diaplikasikan sebagai perekat, stabilisator, plasticizer, pelumas, dan lain-lain. Epoksidasi, yaitu reaksi pembentukan epoksi, umumnya menggunakan minyak bumi sebagai bahan baku. Pada penelitian ini epoksidasi dilakukan menggunakan minyak inti buah nyamplung (selanjutnya disebut minyak nyamplung). Epoksi dari minyak nyamplung pada penelitian ini menggunakan metode kemoenzimatik, yaitu reaksi minyak nyamplung dan hidrogen peroksida dengan enzim lipase (Lipozyme TL IM) sebagai katalis. Tujuan dari penelitian ini adalah untuk mengetahui beberapa faktor yang mempengaruhi sintesis epoksi dari minyak nyamplung secara kemoenzimatik. Variabel-variabel yang diamati yaitu suhu reaksi, jumlah enzim, waktu reaksi dan rasio konsentrasi hidrogen peroksida dan minyak. Kondisi optimum epoksidasi yang diperoleh adalah suhu 50 °C, jumlah enzim 2,18 gram, waktu reaksi 3 jam, dan rasio konsentrasi (hidrogen peroksida: minyak) 4:1. Epoksi hasil sintesis dikarakterisasi dengan penentuan FTIR, bilangan iod, bilangan oksiran, dan viskositas. Karakterisasi dengan FTIR menunjukkan adanya serapan C-C epoksi pada bilangan gelombang 844,89 cm-1. Persentase bilangan oksiran yang diperoleh yaitu, 1,22 % dengan konversi oksiran sebesar 35,88 %, nilai bilangan iod sebesar 25,38 mg iod/100 g sampel dan nilai viskositas 21,69 cP.
Analisis Kebutuhan Awal untuk Pengembangan Buku Ajar Berbasis Budaya Kalimantan Barat Untuk Meningkatkan Literasi Kimia dan Kesadaran Budaya Aisyah, Siti; Azumi, Baiq Miftah; Burhani, Siti Nurul Yaqutu; Hurrahman, Mifta
Jurnal Penelitian Pendidikan IPA Vol 11 No 6 (2025): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i6.11101

Abstract

The limited implementation of chemical literacy and culture-based learning in schools has hindered the development of students’ critical thinking and cultural appreciation. This study aims to identify the initial needs for developing a culture-based electronic chemistry textbook grounded in the local traditions of West Kalimantan. A descriptive quantitative method was employed, involving 11 chemistry teachers from schools implementing the Merdeka Curriculum. Data were collected through questionnaires and supported by an extensive literature review. The questionnaire data were analyzed using descriptive statistics, while literature was analyzed qualitatively. The results showed that 54.54% of teachers had not implemented chemical literacy-based learning, and 90.90% had never applied culture-based approaches. Most teachers used government-issued textbooks and encountered challenges in integrating chemistry content with local culture due to limited references. Student characteristics also indicated a need for interactive and contextual teaching materials that align with diverse learning styles and cognitive development stages. In addition, the cultural analysis revealed that thermochemistry concepts can be meaningfully linked to local practices in West Kalimantan. Therefore, the development of a culture-based electronic chemistry textbook is essential to enhance students’ chemical literacy and cultural awareness through relevant, contextual, and meaningful learning experiences
Trend of Creative Thinking Researches in Chemistry Education from Research Design to Data Analysis: A Literature Review Azumi, Baiq Miftah; Aisyah, Siti; Rohaeti, Eli
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9504

Abstract

Creative thinking is a skill needed to meet the demands of the 21st century. The complexity of learning chemistry requires students to have creative thinking skills to solve the problems they will face. This research aims to gather information about various studies that discuss creative thinking skills. The research method employed in this study involves a literature review with content analysis of several articles, focusing on the entirety of articles published from 2015 to 2024, all of which are indexed by Scopus. A total of 15 articles were reviewed after a screening process according to the inclusion criteria. The results showed that among these publications, the predominant research design was quantitative. The majority of the research subjects were undergraduate students, with biochemistry being the most frequently observed topic. The problem-based learning (PBL) method was the most commonly used, with tests, observation sheets, and interview sheets as the most common data collection instruments, along with t-tests for data analysis.
Co-Authors Burhani, Siti Nurul Yaqutu Dedy Suhendra Eli Rohaeti Erin Ryantin Gunawan Hurrahman, Mifta Siti Aisyah