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R.Y. Perry Burhan, R.Y. Perry
Department Of Chemistry Institut Teknologi Sepuluh Nopember
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Journal : Indonesian Journal on Geoscience

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The Oxygenated Biomarker as an Indicator of Origin and Maturity of Miocene Brown Coal, Sangatta Coal Mines, East Kalimantan Zetra, Yulfi; Kusuma, Hendra Siswanto; Riandra, Fina; Sosrowidjojo, Imam B.; Burhan, R.Y. Perry
Indonesian Journal on Geoscience Vol 5, No 2 (2018)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.5.2.107-116

Abstract

DOI: 10.17014/ijog.5.2.107-116The Middle to Late Miocene brown coal extracted from Inul area, Sangatta coal mines, East Kalimantan, was studied to recognize the distribution of ketone and acid biomarkers. Samples were extracted using soxhlet method and separated by column chromatography and thin layer chromatography. Acetylation of acid fractions by BF3/MeOH produced an ester compound which is an acid derivative. The distributions of fatty acid methyl esters were analyzed with gas chromatography-mass spectrometry (GC-MS). The distributions of ketones included compounds in n-alkan-2-one, amyrin-derived ketone, and friedeline derivatives as well as olean-13(18)-en-3-one with oleanane skeleton. Distributions of fatty acids included compounds in the range from n-methylhexadecanoate (n-C16) to n-methyltriacontanoate (n-C30) with dominating compounds from n-methylhexadecanoate (n-C16) to n-methyldococanoate (n-C22). The most obvious feature is predominance of compounds with even-over-odd-carbon-atom-number in a molecule, which come from vascular plant fatty acids. The distributions of these biomarker compounds are used as an indicator of higher plant and oxic depositional environment, as well as the involvement of bacteria in diagenesis stage which indicates immature coals.
Co-Authors Abduh Muharram Chairacita Adam Wiryawan Agus Wahyudi Agus Wahyudi Agus Wahyudi Agus Wahyudi Amirotul Ula Anis Febriati Arga Dias Pratama Arizal Firmansyah Arizal Firmansyah Aufa Fadhliah Aulia, Wulan Awalia Wardatil Firdaus Batari, Nirmala Puteri Christoffel S I Maweikere Didik Prasetyoko Dyah Nirmala Edi, Eduardus Endah Mutiara Endah Mutiara Marhaeni Putri Endah Mutiara Marhaeni Putri Fahimah Martak Fina Riandra Firdausa, Yunita Alfiyati Firdhausya, Talitha Fitra Gunawan, Triyanda Hamzah Fansuri Hariyanto, Rhiby Ainur Basit Hidayati, Ririn Eva Imam B. Sosrowidjojo Iqbal, Rendy Muhamad Jein Jelsi Lamia Kusuma, Hendra Siswanto Lukman Atmaja Lukman Sugiharto Wijaya M. Nadjib M M. Nadjib Mujahid M. Rachimoellah M. Rachimoellah Maulida Fitriyyah Meliana Wahyuningtyas Miranti Widi Puspita Ayu Mujahid, M. Nadjib Mujahid, Muhammad Nadjib Nadjib, Muhammad Nia Nurfitria Novesar Jamarun Nugraheni, Zjahra Vianita Nurul Jadid Pusparatu Pusparatu Putri, Endah Mutiara Marhaeni Putri, Rizka Berliana R. Arizal Firmansyah Ramadhan, Zein Firdaus Rhiby Ainur Basit Hariyanto Riandra, Fina Riandra, Fina Ridho Bayuaji Rizka, Rizka Berliana Rurini Retnowati Sholihah, Sovia Masfuri Walidatus Silvana Dwi Nurherdiana Sosrowidjojo, Imam B. Sosrowidjojo, Imam B. Sovia Masfuri Walidatus Sholihah Spanton, Perdana Ixbal Subaer - Supiana Dian Nurtjahyan Supriadi, Warih Syekhfani Syekhfani Titik Andriani Wahyu Prasetyo Utomo Wijaya, Lukman Sugiharto Zein Firdaus Ramadhan Zetra, Yulfi Zetra, Yulfi Zjahra Vianita Zjahra Vianita Nugraheni