Items where Author is "Sitorus, Marham"

Article

Silaban, Ramlan and Sitorus, Marham and Panggabean, Freddy Tua Musa and Manullang, Elssya Dwi Imanuella (2022) THE DEVELOPMENT OF ELECTRONIC MODULE BASED ON SCIENTIFIC LITERACY ON COLLOIDAL TOPIC. International Journal of Computer Applications Technology and Research, 11 (06). pp. 223-230. ISSN 2319-8656

Situmorang, Manihar and Sinaga, Marudut and Purba, Jamalum and Daulay, Sapnita Idamarna and Simorangkir, Murniaty and Sitorus, Marham and Sudrajat, Ajat (2018) IMPLEMENTATION OF INNOVATIVE CHEMISTRY LEARNING MATERIAL WITH GUIDED TASKS TO IMPROVE STUDENTS' COMPETENCE. Journal of Baltic Science Education, 17 (04). pp. 535-550. ISSN 1648-3898

Sitorus, Marham and Nainggolan, Bajoka (2014) PEMURNIAN ASAM LINOLEAT TERKONJUGASI HASIL SINTESA DARI RISINOLEAT CASTOR OIL DENGAN KROMATOGRAFI KOLOM SILIKAGEL PERAK NITRAT. Jurnal Penelitian Saintika, 15 (01). ISSN 1412-2995

Sitorus, Marham and Sutiani, Ani (2013) OPTIMASI SUHU WAKTU DAN JUMLAH DEHIDRATOR P205 UNTUK MEDEHIDRASI RISINOLEAT CASTOR OIL MENJADI ASAM LINOLEAT TERKONJUGASI. Jurnal Penelitian Saintika, 13 (02). ISSN 1412-2995

Sitorus, Marham and Ibrahim, Sanusi and Nurdin, Hazli and Darwis, Djaswir (2011) STUDI DEHIDRASI RISINOLEAT MINYAK JARAK DENGAN P205. Jurnal Ilmu Dasar, 12 (02). pp. 167-176. ISSN 1411-5735

Sitorus, Marham and Ibrahim, Sanusi and Nurdin, Hazli and Darwis, Djaswir (2011) ISOMERISASI LINOLEAT DALAM MINYAK JARAK HASIL DEHIDRASI MENJADI LINOLEAT TERKONJUGASI DAN PEMISAHANNYA DENGAN KROMATOGRAFI KOLOM FASA DIAM SILIKA GEL YANG DIIMPREGNASI PERAK NITRAT. Jurnal Matematika & Sains, 16 (01). ISSN 0854-5154

Sitorus, Marham and Ibrahim, Sanusi and Nurdin, Hazli (2010) STUDI KINETIKA DEHIDRASI RISINOLEAT DARI MINYAK JARAK. Jurnal Riset Kimia, 03 (02). pp. 139-144. ISSN 1978-628X

Sitorus, Marham (2009) INOVASI MODEL PEMBELAJARAN MATA KULIAH KIMIA ORGANIK HETEROSIKLIK. Jurnal Pendidikan Matematika dan Sains, 04 (02). pp. 52-55. ISSN 1907-7157

Sitorus, Marham and Ibrahim, Sanusi and Nurdin, Hazli and Darwis, Djaswir (2009) TRANSFORMATION OF RICINOLEIC OF CASTOR OIL INTO LINOLEIC (AMEGA-6) AND CONJUGATED LINOLEIC ACID BY DEHYDRATION. Indonesian Journal of Chemistry, 09 (02). ISSN 1411-9420

Sitorus, Marham and Ibrahim, S. and Nurdin, H. and Darwis, D. (2009) OPTIMASI DEHIDRATOR PADA PEMBUATAN MINYAK JARAK TERHIDRASI (DEHYDRATED CASTOR OIL = DCO). Jurnal Sains Indonesia, 33 (01). pp. 51-56. ISSN 1978-3841

Sitorus, Marham (2011) ISOMERISASI LINOLEAT DALAM MINYAK JARAK TERDEHIDRASI DENGAN PENGARUH GELOMBANG MIKRO MENJADI ASAM LINOLEAT TERKONJUGASI. Jurnal Pendidikan Kimia, 03 (01). ISSN 2085-3653

Purba, Dina Fernata and Sitorus, Marham and Silalahi, Albinus (2013) PENGARUH PENGGUNAAN MULTIMEDIA DAN PRAKTIKUM MELALUI STRATEGI LEARNING CYCLE TERHADAP KARAKTER DAN HASIL BELAJAR KIMIA SISWA SMA PADA POKOK BAHASAN KELARUTAN DAN HASIL KALI KELARUTAN. Jurnal Pendidikan Kimia, 05 (02). ISSN 2085-3653

Sitorus, Marham and Sudrajat, Ajat and Lestari, Mega (2015) PENGEMBANGAN BAHAN AJAR INOVATIF DAN INTERAKTIF MELALUI PENDEKATAN SAINTIFIK PADA PEMBELAJARAN REAKSI REDOKS DAN ELEKTROKIMIA. Jurnal Pendidikan Kimia, 07 (02). ISSN 2085-3653

Hutabarat, Wesly and Situmorang, Manihar and Sitorus, Marham and Situmorang, Zakarias (2015) THE DEVELOPMENT OF INNOVATIVE CHEMISTRY LEARNING MATERIAL FOR BILINGUAL SENIOR HIGH SCHOOL STUDENTS IN INDONESIA. International Education Studies, 08 (10). pp. 72-85. ISSN 1913-9020

Monograph

Sitorus, Marham and Purba, Jamalum and Sinaga, Marudut (2008) TRANSFORMASI RISINOLEAT MINYAK JARAK SECARA DEHIDRASI MENJADI LINOLEAT OMEGA-6 DAN LINOLEAT TERKONJUGASI. Project Report. FMIPA Unimed, Medan.

Sutiani, Ani and Dibyantini, Ratu Evina and Sitorus, Marham (2008) PEMBUATAN POLIURETAN DENGAN BAHAN BAKU MINYAK JARAK TERALKOHOSIS SEBAGAI ALTERNATIF BAHAN PEREKAT. Project Report. FMIPA Unimed, Medan.

Sutiani, Ani and Dibyantini, Ratu Evina and Sitorus, Marham (2011) PEMBUATAN PEREKAT POLIURETAN MENGGUNAKAN BERBAGAI BAHAN ALAMI SEBAGAI SUMBER POLIOL. Project Report. FMIPA Unimed, Medan.

Sitorus, Marham and Nainggolan, Bajoka (2011) PRODUKSI CLA (CONJUGATED LINOLEIC ACID) DARI RISINOLEAT MINYAK JARAK (CASTOR OIL). Project Report. FMIPA Unimed.

Sitorus, Marham and Purba, Jamalum and Nugraha, Asep Wahyu and Kembaren, Agus and Sinaga, Marudut (2005) PENGOLAHAN MINYAK JARAK (CASTOR OIL) MENJADI BAHAN PEWANGI (ESSEN) SINTETIK. Project Report. FMIPA Unimed.

Conference or Workshop Item

Claudia Sianipar, Frida and Sitorus, Marham (2021) Pengembangan Bahan Ajar Kontekstual Berbasis Evaluasi HOTS Untuk Meningkatkan Hasil Belajar dan Nilai Karakter Siswa Pada Materi Asam Basa di SMA N 4 Pematang Siantar. In: Prosiding Seminar Nasional Kimia & Pendidikan Kimia#2 - 2021, 11 Desember 2021, Medan.

Pakpahan, Dessy Novianty and Sitorus, Marham and Silaban, Saronom (2021) Pengembangan Sumber Belajar Inovatif Berbasis Proyek Untuk Materi Isolasi Senyawa Organik Bahan Alam DalamMenghadapi Era New Normal. In: Prosiding Seminar Nasional Kimia & Pendidikan Kimia#2 - 2021, 11 Desember 2021, Medan.

Sihombing, Tio Lyn and Sitorus, Marham (2020) The Implementation Of Problem Based Learning (PBL) With AudiovisualMedia In Class X SMA. In: Seminar Nasional Kimia dan Pendidikan Kimia 2020, 12 Desember 2020, Medan.

Berutu, Arfiena Fitria and Jahro, Iis Siti and Sitorus, Marham (2020) Analysis of Chemical Practicum Guides for Learning Evaluation Based on the National Education Standards. In: Proceedings of The 5th Annual International Seminar on Transformative Education and Educational Leadership (AISTEEL), 22 September 2020, Medan.

Sitorus, Marham and Situmorang, Manihar and Juwitaningsih, Tita and Hia, Minat Karya Nia and Hutabarat, Rini F. (2020) Activity Test of CLA Syntheszed from Castor Oil by in Vivo White Mice (Rattus norveginus). In: The International Conference on Sciences and Technology Applications, 13-14 November 2019, Garuda Plaza Hotel, Medan City, North Sumatera Province, Indonesia.

Aulia, Indriati and Silalahi, Albinus and Sitorus, Marham (2019) The Development of Adobe Flash Media Integrated Problem Based Learning on Salt Hydrolysis. In: Proceedings of The 4th Annual International Seminar on Transformative Education and Educational Leadership (AISTEEL), 23 – 24 September 2019, Garuda Plaza Hotel, Medan,.

Hutahaean, Fretty Nafratilova and Sitorus, Marham and Sudrajat, Ajat (2019) The Development of Guidance and Integrated Science Practicum Kit Integrated Guided Inquiry Model bases Science Process Skills for Class VII Semester I. In: Proceedings of The 4th Annual International Seminar on Transformative Education and Educational Leadership (AISTEEL), 23 – 24 September 2019, Garuda Plaza Hotel, Medan,.

Lastri, Elvira and Jahro, Iis Siti and Sitorus, Marham (2017) THE ANALYSIS OF THE IMPLEMENTATION AND PROBLEMS OF LAB WORK ON CHEMISTRY LEARNING. In: The 2nd Annual International Seminar on Transformative Education and Educational Leadership (AISTEEL) 2017, 16-17 Oktober 2017, Medan.

Nasution, Putri Junita Sari and Silalahi, Albinus and Sitorus, Marham (2016) INOVASI BAHAN AJAR KIMIA LAMBANG UNSUR DAN PERSAMAAN REAKSI SMK KELAS X SEMESTER I DAN IMPLEMENTASINYA. In: Seminar Nasional Kimia dan Pendidikan Kimia 2016, 30-31 May 2016, Medan.

Sitorus, Marham and Nainggolan, Bajoka (2014) THE ACTIVITY VALUES OF CLA (CONJUGATED LINOLEIC ACID) SYNTHESIZED FROM CASTOR OIL BY USING VISSIBLE SPECTROFOTOMETER WITH DPPH AS FREE RADICAL. In: The First Annual International Seminar on Trends in Science and Science Education 2014, 5-6 Dec 2014, Medan.

Sitorus, Marham and Haryaiti, Hetty (2014) PRODUKSI SABUN DENGAN BAHAN BAKU MINYAK JARAK (CASTOR OIL). In: Semirata 2014 Bidang MIPA BKS-PTN-Barat, 9-11 May 2014, Bogor.

Sitorus, Marham (2012) PRODUKSI CLA (CONJUGATED LINOLEID ACID) DARI RISINNOLEAT MINYAK JARAK (CASTOR OIL). In: Seminar & Rapat Tahunan BKS-PTN B MIPA tahun 2012, 11-12 May 2012, Medan.

Book

Sitorus, Marham and Hutabarat, Wesly and Sutiani, Ani (2016) TRANSFORMASI RISINOLEAT MINYAK KASTOR MENJADI BERBAGAI SENYAWA YANG LEBIH BERMANFAAT. Plantaxia. ISBN 978-602-6912-09-1