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All Journal Fullerene Journal of Chemistry SOSCIED Oxygenius Journal Of Chemistry Education Sciening : Science Learning Journal Jurnal Ilmiah Wahana Pendidikan Switch: Jurnal Sains dan Teknologi Informasi
Jeanne M. Tuerah
Universitas Negeri Manado
Religion Chemistry Computer Science & IT Education Environmental Science Social Sciences Other

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Journal : fullerene journal of chemistry

 1 
Kandungan Mineral “Nike” Ikan Payangkah (Ophiocara aporos ) dari Danau Tondano di Sulawesi Utara Sofia Krisen; Jeanne Tuerah
Jurnal Kimia Fullerene Vol 7 No 2 (2022): 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.v7i2.514

Abstract

Research has been conducted on the Mineral Content of “nike” Payangkah fish (O. aporos ) from Lake Tondano in North Sulawesi. The research objective was to determine the levels of Calcium, Magnesium, Manganese and Phosphorus. "nike" Payangkah fish (O. aporos) is taken directly from Lake Tondano fish farmers in Minahasa Regency, North Sulawesi. Sample preparation techniques include receiving, washing, selecting other than “nike” Payang fish and associated materials (excrement). All parts of the fish body are used as samples. Determination of Ca, Mn and Mg using (AAS) while P using (UV-VIS). The results show that the average P content (259.6 mg/100g); Ca (380.3 mg/100g); Mn (0.275 mg/100g) and Mg (21.49 mg/100g). When compared with the average mineral content for fish released by (FAO), these results indicate that "nike" Payangka fish (O. aporos) has good mineral content and can be used to increase mineral intake and protect against mineral deficiency diseases
Pengaruh Katalis Terhadap Rendemen Reaksi Transesterifikasi Br Tarigan, Romi Yana Widiawati; Gugule, Sanusi; Tuerah, Jeanne Maria; Maanari, Chaleb
Jurnal Kimia Fullerene Vol 8 No 2 (2023): 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.v8i2.494

Abstract

Research has been carried out on the effect of a catalyst on the yield of transesterification reactions. Pure coconut oil is made mechanically without heating using fresh coconut meat or what is called non-copra, followed by a base-catalyzed transesterification reaction using KOH and NaOH. The purpose of this study was to determine the effect of the catalyst on the yield of the transesterification reaction. The results of the reaction were analyzed by determining the physico-chemical properties and analysis of Gas Chromatography-Mass Spectrometry (GC-SM). The results showed that the average reaction yield with KOH catalyst was 74.3% and 70% NaOH catalyst. The most dominant GC-SM identification results were ethyl caproate 4.12%, ethyl capricate 4.99%, ethyl laurate 54.97%, ethyl myristate 18.49%, ethyl palmitate 8.13%, 9.12 octadecatrin-1-ol 5.24% and ethyl strearate 2.28%.
Co-Authors Abdon Saiya Aisyiah Restutiningsih Putri Utami Br Tarigan, Romi Yana Widiawati Chaleb Paul Maanari Charold Septiano Paulus Claudya Gabby Lahinda Dewi Yul Launde Djefri Tani Djefry Tani Emma Julin Pongoh Fina Hamise Freetje Waworuntu I Dewe Ketut Anom Joice Dorsila Susana Caroles Makarawung, Angga Anugrah Maria Enny Retno Sari Marlina Karundeng Miftahul Jannah Miftahul Jannah Miracle Lendo Mustapa Mustapa Noverlin Gootoro Paat, Vlagia Indira Rauhe, Gilliant Ravelita Lastriawati Bullu Renfarak, Ana Arianti Rivya Tamungku Roos M. S. Tuerah Sanusi Gugule Sinaba, Berry Sofia Satriani Krisen Stefan Marco Rumengan Tengker, Soenandar M Tengker, Soenandar Millian Tompunu Varisky Abraham Dumanaw Yana Sambeka