|
Study on the thermal properties of the grafted product of maleic anhydride onto clylized natural rubber by using thermogravimetric method
Authors: M. Said Siregar | Department of Agriculture Product Technology, Universitas Muhammadiyah Sumatera Utara, Medan 20226, Indonesia 2Agriculture Faculty, Universitas Al Azhar, Medan 20145, Indonesia | Dian Arsita Fitri | Muhammad Iqbal Nusa | Desi Ardilla | Masyura M.D | Asmarasari Nasution | Eddiyanto Eddiyanto | Department of Agriculture Product Technology, Universitas Muhammadiyah Sumatera Utara, Medan 20226, Indonesia 2Agriculture Faculty, Universitas Al Azhar, Medan 20145, Indonesia | Department of Agriculture Product Technology, Universitas Muhammadiyah Sumatera Utara, Medan 20226, Indonesia 2Agriculture Faculty, Universitas Al Azhar, Medan 20145, Indonesia | Department of Agriculture Product Technology, Universitas Muhammadiyah Sumatera Utara, Medan 20226, Indonesia 2Agriculture Faculty, Universitas Al Azhar, Medan 20145, Indonesia | Department of Agriculture Product Technology, Universitas Muhammadiyah Sumatera Utara, Medan 20226, Indonesia 2Agriculture Faculty, Universitas Al Azhar, Medan 20145, Indonesia | Agriculture Faculty, Universitas Al Azhar, Medan 20145, Indonesia | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia
|
|
|
|
The effectiveness of argumentation based learning and problem based learning models in improving student’s argumentation skills about salt hydrolysis concept
Authors: Anisa Puspita Sari | Chemistry Education Study Program, Postgraduate, Jambi University, Jambi 36361, Indonesia | Harizon Harizon | Muhammad Haris Effendi-Hasibuan | Departemen of Chemistry Education, Jambi University, Jambi 36361, Indonesia | Departemen of Chemistry Education, Jambi University, Jambi 36361, Indonesia
|
|
Analysis of final semester assessment questions (PAS) in grade XI chemistry online learning based on cognitive domain level of revised Bloom's taxonomy
Authors: Tika Reformatika Fuadi | Department of Chemistry Education, Faculty of Tarbiya and Teachers Training, Universitas Islam Negeri Syarif Hidayatullah, Jakarta 15412, Indonesia | Evi Sapinatul Bahriah | Salamah Agung | Department of Chemistry Education, Faculty of Tarbiya and Teachers Training, Universitas Islam Negeri Syarif Hidayatullah, Jakarta 15412, Indonesia | Department of Chemistry Education, Faculty of Tarbiya and Teachers Training, Universitas Islam Negeri Syarif Hidayatullah, Jakarta 15412, Indonesia
|
|
Determination of phenolic contents and antioxidant activity test of ethanol extract of Sirih merah (Piper crocatum Ruiz & Pav.) leaves using the DPPH method
Authors: Kasta Gurning | Department of Pharmacy, Sekolah Tinggi Ilmu Kesehatan Senior Medan, Medan, Indonesia | Sifikal Lumbangaol | Risanti F. R. Situmorang | Saronom Silaban | Department of Pharmacy, Sekolah Tinggi Ilmu Kesehatan Senior Medan, Medan, Indonesia | Department of Public Health, Universitas Sumatera Utara, Medan, Indonesia | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia
|
|
|
|
The effect of colloids practicum e-module to improve students’ interest on virtual lab during the covid-19 pandemic
Authors: Nelius Harefa | Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Kristen Indonesia, Jakarta, Indonesia | Novia Fransisca Dewi Silalahi | Leony Sanga Lamsari Purba | Herna Febrianty Sianipar | Chemistry Teacher of SMA Abdi Siswa Bintaro, Tangerang, Indonesia | Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Kristen Indonesia, Jakarta, Indonesia | Universitas HKBP Nommensen Pematangsiantar, Pematangsiantar, Indonesia
|
|
Improvement of student’s creative thinking skills by guided inquiry-based student worksheet in acid-base materials
Authors: Nofi Eriana Sulistiani | Department of Chemistry, Faculty of Mathematics and Science Education, Universitas Negeri Surabaya, Surabaya 60231, Indonesia | Rudiana Agustini | Department of Chemistry, Faculty of Mathematics and Science Education, Universitas Negeri Surabaya, Surabaya 60231, Indonesia
|
|
Development of chemistry module integrated with islamic values in thermochemistry and reaction rate for senior high school student
Authors: Anis Syafitri | Chemistry Teacher, Sekolah Menengah Atas Negeri 1 Secanggang, Langkat 20855, Indonesia | Ayi Darmana | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia
|
|
Effect of ethanol leaf extract of Plukenetia volubilis on blood glucose and triglyceride levels of mice induced by alloxan
Authors: Dewi Handayani | Zahra Salsabila | Hermansyah Amir | Nurhamidah Nurhamidah | Sura Menda Ginting
|
|
The evaluation of biochemistry practicum based on several parameters of laboratory services in chemistry department Universitas Negeri Surabaya during the even semester
Authors: Mirwa Adiprahara Anggarani | Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Surabaya, 60231, Indonesia | Dzikra Nasyaya Mahfudhah | Soesilowati Soesilowati | Avissa Auryn Wijayanti | Syananda Zahra Fadila | Nuniek Herdyastuti | Muhammad Nurrohman Sidiq
|
|
Formulation and evaluation of liquid soap preparation of robusta green coffee extract (Coffea canephora) with virgin coconut oil (VCO) base as an antibacterial Staphylococcus aureus
Authors: Ing Mayfa Br Situmorang | Department of Medical Laboratory Technology, STIKes Prima Indonesia, Bekasi-17610, Indonesia | Feronika Evma Rahayu | Opi Dwi Nurhayati
|
|
Feasibility study of concentration of chemical and physical parameters in excavated water coal mining as a cage fishing destination
Authors: Saibun Sitorus | Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Mulawarman, Samarinda-75119, Indonesia | A. Khafifah Dwi Rachmat
|
|
Functionalization of cyclic natural rubber grafted maleic anhydride (cnr-g-ma) with variation of ma concentration, inisiator and reaction time
Authors: Boy Chandra Sitanggang | Program Studi Analisis Kimia, Akademi Komunitas Industri Manufaktur Bantaeng, Bantaeng, Indonesia | Eddyanto Eddyanto | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia
|
|
Development of project-based interactive e-modules in accordance with the IQF integrated curriculum concept in learning organic chemical reactions to improve student chemistry learning outcomes
Authors: Bajoka Nainggolan | Anna Juniar | Ramlan Silaban
|
|
Effectiveness of use of online games kahoot! chemical to improve student learning motivation
Authors: Leony Sanga Lamsari Purba | Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Kristen Indonesia, Jakarta 13630, Indonesia | Elferida Sormin | Nelius Harefa | Sumiyati Sumiyati | Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Kristen Indonesia, Jakarta 13630, Indonesia | Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Kristen Indonesia, Jakarta 13630, Indonesia | Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Kristen Indonesia, Jakarta 13630, Indonesia
|
|
Improvement of student’s learning outcomes and motivation with chemical practicum e-module
Authors: Nelius Harefa | Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Kristen Indonesia, Jakarta 13630, Indonesia | Novia Fransisca Dewi Silalahi | Chemistry Teacher of SMA Abdi Siswa Bintaro, Tangerang 15326, Indonesia
|
|
Analysis of constraints and innovation of chemistry experiment implementation in high school in Deli Serdang, Indonesia
Authors: Fathia Namira | Chemistry Education Study Program, Postgraduate Program, Universitas Negeri Medan, Medan 20221, Indonesia | Wan Azura | Ayu Miranda | Hamidatun Nisa | Saronom Silaban | Retno Dwi Suyanti | Ayi Darmana | Chemistry Education Study Program, Postgraduate Program, Universitas Negeri Medan, Medan 20221, Indonesia | Chemistry Education Study Program, Postgraduate Program, Universitas Negeri Medan, Medan 20221, Indonesia | Chemistry Education Study Program, Postgraduate Program, Universitas Negeri Medan, Medan 20221, Indonesia | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia | Department of Chemistry, Universitas Negeri Medan, Medan 20221, Indonesia
|
Sign in