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All Journal Eksakta : Berkala Ilmiah Bidang MIPA Fullerene Journal of Chemistry SOSCIED Oxygenius Journal Of Chemistry Education Stannum : Jurnal Sains dan Terapan Kimia Entalpi Pendidikan Kimia Jurnal FisTa : Fisika dan Terapannya
Abdon Saiya
Universitas Negeri Manado
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences

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Design and Construction of A Pyrolysis Device for Laboratory- scale Liquid Smoke Production Applications Jannah, Miftahul; Saiya, Abdon; Karundeng, Marlina; Tengkar, Soenandar; Kamaruddin, Kamaruddin; Mustapa, Mustapa
Jurnal Kimia Fullerene Vol 10 No 1 (2025): Fullerene Journal Of Chemistry
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/fjc.v10i1.781

Abstract

Liquid smoke has been widely applied in various fields. Several studies have developed methods, tools and materials for making liquid smoke. This research aims to design a tool for making liquid smoke using a simple pyrolysis method on a laboratory scale. The goal is that this tool can be used by students for practicums to further increase students' insight and skills regarding liquid smoke. The stages of this research start from literature study, technology design, tool fabrication and testing as well as the evaluation stage. The results obtained in this research are that a liquid smoke pyrolysis device has been successfully made with a capacity of 6 kg. Based on the test results, grade 3 liquid smoke was produced.
STRATEGI DAN PERENCANAAN GURU DALAM MENGAJARKAN MATERI SENYAWA ORGANIK DAN MAKROMOLEKUL DI KELAS XII SMA DI INDONESIA Ulundeda, Efelien; Rumengan, Stefan Marco; Kolompoy, Stevani Rosadelima; Batu, Rumintang Lumban; Saiya, Abdon; Bangun, Janneta Br; Arsad, Regina
Entalpi Pendidikan Kimia Vol 7 No 1 (2026)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/epk.v7i1.555

Abstract

Pembelajaran kimia di SMA, khususnya pada topik senyawa organik dan makromolekul, sering kali menantang karena sifat materi yang kompleks dan abstrak. Penelitian ini menganalisis strategi dan perencanaan yang digunakan oleh guru kimia kelas XII melalui pendekatan deskriptif kualitatif. Data dikumpulkan dari wawancara dengan lima guru kimia di berbagai SMA di Indonesia. Hasil menunjukkan penggunaan berbagai strategi pembelajaran, seperti ceramah, Discovery Learning, Problem Based Learning, Project Based Learning, Inquiry Learning, serta pemanfaatan teknologi digital. Tantangan utama mencakup rendahnya minat siswa, keterbatasan waktu, dan kesulitan memahami konsep. Untuk mengatasi hal tersebut, guru menerapkan pendekatan personal, kolaborasi lintas mata pelajaran, dan media interaktif seperti smartbook, molymod, dan aplikasi digital. Secara umum, strategi ini dinilai cukup efektif karena berdampak positif pada hasil belajar siswa. Penelitian merekomendasikan penguatan strategi berbasis teknologi dan kontekstual serta pelatihan guru dalam menghadapi tantangan abad ke-21.
Analisis Kandungan Formalin Pada Mi Basah di Pasar Tondano dengan Spektrofotometri UV-Vis Fitriani, Fitriani; Palilingan, Septiany Christin; Saiya, Abdon
Jurnal FisTa Fisika dan Terapannya Vol 7 No 1 (2026): APRIL
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

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Abstract

Food safety is a critical aspect in protecting the public from hazardous contamination. Wet noodles have a relatively short shelf life, making them susceptible to misuse through the addition of formaldehyde as a preservative. This study aimed to qualitatively identify the presence of formaldehyde and to provide a preliminary estimation of its concentration in wet noodles sold at Tondano Market. Qualitative analysis was conducted using potassium permanganate (KMnO₄), while quantitative analysis was performed indicatively using UV–Vis spectrophotometry with chromotropic acid reagent at a wavelength of 520 nm. The results indicated that all samples were positive for formaldehyde. The detected concentrations were 54.01 mg/kg, 35.82 mg/kg, and 26.43 mg/kg, respectively. The presence of formaldehyde in all samples indicates a violation of food safety regulations and poses potential health risks to consumers. These findings highlight the need for stricter monitoring of wet noodle distribution in traditional markets.
Co-Authors Ana Mardliyah Anom, I. D. K Arsad, Regina Avni Dalemeng Balangasan, Meylisa Bangun, Janneta Br Batu, Rumintang Lumban Deysi Natalia Demo Dian H O Howan Djefry Tani Dokri Gumolung Emma Julin Pongoh Febrindah Ester Tambalean Fitriani Fitriani Freetje Waworuntu hesky julio koloay Jeanne M. Tuerah Jefry Wijaya Jefry Wijaya Jeivana Laluas Joice Dorsila Susana Caroles Kamaruddin Kamaruddin Kamaruddin Kamaruddin Khoirotul Ummah Kolompoy, Stevani Rosadelima Lauren Cornelia Agatha Makarawung, Angga Anugrah Marlina Karundeng Miftahul Jannah Mokoginta, Meki Mokoginta, Meliyani Mustapa Mustapa Paat, Vlagia Indira Rini Yasinta Sasuang Septiany C. Palilingan Stefan Marco Rumengan Tambalean, Febrindah Ester Tengkar, Soenandar Tengker, Soenandar M Tengker, Soenandar Milian Tengker, Soenandar Millian Tompunu Ulundeda, Efelien Ummah, Khoirotul