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Utilization Of Guava Leaves Extract (Psidium Guajava) As Ecofriendly Corrosion Inhibitor For Iron Said Ali Akbar; Rika Ovisa; Muttakin Muttakin
Al-Kimia Vol 7 No 1 (2019): JUNE
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v7i1.6331

Abstract

The use of a green inhibitor from guava leaves extract as an alternative to environmentally friendly metal corrosion inhibitors has been carried out. The guava leaves extracted by 96% ethanol in the maserator for 4 days with occasional shaking and two rejuvenations. The inhibitor performance test was carried out using 2 types of water (wells and sea), as well as variations in extract concentrations of 3%, 10% and 25%. Through phytochemical testing results, it was found that the active secondary metabolite components contained in guava leaves are flavonoids, terpenoids, and tannins. Increasing the concentration of guava leaves extract in well and sea water samples, reducing the value of the corrosion rate. In seawater, the use of 25% leaves extract, there was a weight increase of nails only 0.165% of the initial weight compared with no extract which was 10.75% of the initial weight. Furthermore, the greatest inhibitor efficiency occurred at 25% extract concentration, which was 96.39% in well water media and 97.07% in sea water media. Therefore, guava leaves have the potential to be used as future green inhibitor applications.
METODE EKSTRAKSI ANTOSIANIN DARI KULIT BUAH SYZYGIUM CUMINI(L.) SKEELS SEBAGAI INDIKATOR ALAMI ASAM BASA Muhammad Zulfajri; Muttakin Muttakin
Prosiding Seminar Nasional USM Vol 1, No 1 (2017): Prosiding Seminar Nasional USM
Publisher : Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (598.054 KB)

Abstract

Dalam penelitian ini, ekstrak berupa zat warna dari kulit buah Syzygium cumini (L.) skeels diekstraksi dengan menggunakan metode maserasi dan sokhletasi. Pelarut yang digunakan adalahetanol yang mampu menarik ekstrak dari sampel dengan baik. Ekstrak yang diperoleh dari keduametode tersebut digunakan untuk melakukan pengujian suatu larutan asam dan basa sehinggadiperoleh hasil yang membuktikan bahwa ekstrak dari kulit buah Syzygium cumini (L.) skeelsmampu berperan sebagai indikator alami asam basa yang baik, ditandai dengan terbentuknyawarna hijau pada larutan basa sesaat setelah ditambahkan ekstrak. Dari kedua metode ekstraksiini diperoleh volume ekstrak yang sedikit lebih banyak yang dihasilkan oleh metode sokhletasidikarenakan seluruh ekstrak mampu ditarik oleh pelarut bila dibandingkan dengan metodemaserasi. Kedua metode ini memiliki kelebihan dan kelemahan masing-masing, namun tetapmenghasilkan ekstrak dari kulit buah Syzygium cumini (L.) skeels dengan kualitas yang samasebagai indikator alami asam basa.
Gampong Implementation of School Accreditation in Improving the Quality of Education in SD Negeri Jawa Muttakin; Widya; Riza Andriani; Amam Taufiq Hidayat; Mice Putri Afriyani; Bakhtiar
Jurnal Pengabdian Masyarakat Formosa Vol. 1 No. 5 (2022): December 2022
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/jpmf.v1i5.2141

Abstract

SD Negeri Gampong Jawa is one of the elementary schools in Langsa City, Aceh. SD Negeri Gampong Jawa has completed a series of re-accreditation activities, from meeting the requirements to filling in the accreditation instruments and field assessments. This Community Service activity is a field assessment for accreditation activities at SD Negeri Gampong Jawa, Lhokseumawe City. The results of school accreditation include four components: quality of graduates, learning process, teacher quality, and school management. Based on the assessment results, information was obtained that SD Negeri Gampong Jawa applied good quality standards for the four components above. Then, the assessor provides recommendations to the school principal for continuous improvement of the school. The Head of Gampong Public Elementary School accepts the recommendations given well and is committed to implementing them in the future.
Pemanfaatan Ekstrak Bunga Dadap Merah (Erythrina Crista-Galli L) sebagai Inhibitor Korosi pada Logam Fe Said Ali Akbar; Muttakin; Sri Ismulyati; Ainun Mardhiah; Nispi Mawaddah
KATALIS: Jurnal Penelitian Kimia dan Pendidikan Kimia Vol 5 No 2 (2022): Katalis: Jurnal Penelitian Kimia dan Pendidikan Kimia
Publisher : Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/katalis.v5i2.6720

Abstract

Korosi logam terjadi melalui reaksi elektrokimia simultan membentuk rangkaian arus listrik tertutup pada wilayah anoda dan katoda, penambahan inhibitor dapat digunakan sebagai salah satu cara untuk menghambat korosi. Ekstrak bunga dadap merah dapat berfungsi dengan baik sebagai inhibitor alami untuk mencegah korosi pada besi, baik pada media air akuades maupun air laut. Pengaruh perbedaan konsentrasi ekstrak bunga dadap merah yang diberikan memberikan efek penurunan bertambahnya massa logam Fe. Pada ekstrak konsentrasi 20%, mula-mula berat paku 2,484 gram menjadi 2,488 gram pada media air akuades dan 2,436 gram menjadi 2,442 gram pada media air laut. Hal ini menunjukkan bahwa besar konsentrasi, maka proses terjadinya korosi sangat sulit terjadi.
PENERAPAN MEDIA WORD SQUARE PADA MATERI STRUKTUR ATOM UNTUK MENINGKATKAN HASIL BELAJAR SISWA Muttakin Muttakin; Ucia Mahya Dewi; Arlin Maya Sari; Riza Andriani; Tulus Setiawan
Relativitas: Jurnal Riset Inovasi Pembelajaran Fisika Vol 5, No 2 (2022): Jurnal Riset Inovasi Pembelajaran Fisika
Publisher : Department of Physics Education, Faculty of Teacher Training and Education, UNIVERSITAS MA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/relativitas.v5i2.9941

Abstract

Pembelajaran dikelas dapat berjalan dengan baik jika proses pembelajaran juga berjalan dengan baik. Penelitian ini bertujuan untuk mengetahui aktivitas siswa terhadap penerapan media Word Square dalam pembelajaran kimia pada materi struktur atom, mengetahui hasil belajar siswa dengan menggunakan media Word Square pada materi struktur atom dan mengetahui respon siswa terhadap penerapan media Word Square dalam pembelajaran kimia pada materi struktur atom. Teknik pengumpulan data yang digunakan pada penelitian ini adalah lembar observasi, tes berupa pre-test dan post-test dan angket respon. Hasil penelitian menunjukkan bahwa 1) Aktivitas belajar siswa terhadap penggunaan media pembelajaran word square pada materi struktur atom sangat baik, berturut-turut sebesar 79,17 dan 83,00. (2) Hasil belajar siswa terhadap penggunaan media pembelajaran word square pada materi struktur atom yaitu sebesar 92,59. (3) Respon siswa terhadap penggunaan media pembelajaran word square pada materi struktur atom sangat positif, yaitu sebesar 91,66 dan respon negatif yaitu sebesar 8,33.
Green Open Space Analysis with Utilization Remote Sensing and Geographical Information System in Banda Aceh City Mice Putri Afriyani; Wido Iskandar; Syahrul Ridha; Muttakin Muttakin
Media Komunikasi Geografi Vol. 24 No. 1 (2023)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/mkg.v24i1.58712

Abstract

Banda Aceh City, the capital of Aceh Province, has experienced both urban development and an increase in population. The increase in the physical development of the city in the form of the construction of residential areas, transportation facilities, trade, industry, and other services has resulted in an increase in the transfer of land from open space to built-up space, which in turn has an impact on reducing green open space (RTH). The purpose of this research is to determine whether the city of Banda Aceh has fulfilled the status of a city with sufficient green open space of 30% of the total area of ​​Banda Aceh city if studied through remote sensing. This study aimed to analyze the green open spaces of Banda Aceh City based on remote sensing and Geographic Information Systems. The scope of this research is the entire district of Banda Aceh City. The proportion of Banda Aceh City that must be made into an open green area is a minimum of 1,840.89 ha (30%) with the provisions of 20% public green open space and 10% private green open space. Data processing methods and techniques use Spatial analysis with exploratory methods. Based on the results of data analysis through remote sensing. This study concludes that Banda Aceh City's green open space is currently 2,461.57 ha (41.11%), with the distribution of public green open space of 878.24 ha (14.31%) and private green open space of 1,583.32 ha (25.80%). It cannot be said that it meets the criteria for the number of green open spaces because the number of private green open spaces is greater than the number of public green open spaces.
Analisis Kebutuhan Soft Skills Mahasiswa Untuk Pembelajaran 21st Century Ucia Mahya Dewi; Arlin Maya Sari; Agus Muliaman; Muttakin Muttakin; Rifaatul Mahmuzah
Innovative: Journal Of Social Science Research Vol. 3 No. 4 (2023): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v3i4.3537

Abstract

Menghadapi era globalisasi di abad 21  mahasiswa harus memiliki beberapa soft skill yang akan mereka implementasikan kedalam dunia kerja. Penelitian ini bertujuan untuk menganalisis soft skill apa saja yang dibutuhkan oleh mahasiswa di abad 21. Penelitian ini merupakan penelitian survei dengan menggunakan desain cross sectional survei. Sampel dalam penelitian ini berjumlah 105 mahasiswa  yang terdiri dari 35 mahasiswa Prodi Pendidikan Kimia, 30 mahasiswa Prodi Pendidikan Fisika, dan 40 mahasiswa Prodi Pendidikan Matematika. Instrumen pengumpulan data menggunakan lembar kuesioner. Teknik analisis data yang digunakan adalah statistik deskriptif. Hasil penelitian menunjukkan 10 soft skill teratas yaitu  1) literasi komunikasi; 2) pemecahan masalah; 3) kerja tim;  4)  bertanggung jawab dan akuntabilitas; 5) etika profesional; 6) berpikir kritis dan  logis; 7) kreativitas dan inovasi; 8) adaptasi ; 9) belajar seumur hidup; dan 10) kepemimpinan.
Sosialisasi Sistem Seleksi Masuk PTN Tahun 2023 di MAS Jabal Nur Paloh Lada Amam Taufiq Hidayat; Riza Andriani; Muttakin Muttakin; Tulus Setiawan; Muh Fahruddin Alawi; Nur Elisyah
Jurnal Malikussaleh Mengabdi Vol 2, No 2 (2023): Jurnal Malikussaleh Mengabdi Oktober 2023
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jmm.v2i2.13134

Abstract

MAS Jabal Nur adalah satu MA swasta yang berada di kabupaten Aceh Utara yang alumninya lebih kurang hanya 30% melanjutkan pendidikan ke perguruan tinggi, dengan alasan: 1) ekonomi; 2) minat; 3) kurang termotivasi kuliah; 4) tidak lulus seleksi. Tujuan kegiatan pengabdian ini adalah untuk memotivasi, memberikan pengetahuan dan pemahaman, serta mensosialisasikan peserta didik akan pentingnya untuk melanjutkan pendidikan ke perguruan tinggi dan memberikan informasi terkait sistem seleksi masuk terbaru PTN yang ada di Indonesia. Kegiatan Pengabdian ini berupa penyuluhan dan sosialisasi yang dilaksanakan selama 1 hari. Materi yang disampaikan adalah motivasi kuliah: pentingnya pendidikan tinggi dan sistem seleksi masuk PTN. Peserta kegiatan sosialisasi ini adalah peserta didik kelas XII dan guru MAS Jabal Nur Paloh Lada. Sistem seleksi masuk perguruan tinggi negeri di Indonesia dibedakan untuk perguruan tinggi negeri (PTN) dibawah Kementerian Pendidikan, Kebudayaan, Riset dan Teknologi dan perguruan tinggi keagamaan islam negeri (PTKIN) dibawah Kementerian Agama. Perguruan tinggi memuat 2 kelompok keilmuan yaitu sains dan teknologi dan social humaniora. PTN memiliki 3 sistem seleksi yaitu: SNBP, SNBT dan Mandiri-PT . PTKIN memliki 4 sistem seleksi: SPAN-PTKIN, SNBT, UM-PTKI dan Ujian Mandiri. Tes SNBP dan SPANPTKIN berdasarkan kepada nilai rapor, SNBT merupakan seleksi nasional tes berupa tes skolastik, UM-PTKIN yaitu ujian masuk serentak untuk seluruh PTKIN se Indonesia, dan Ujian Mandiri dan Mandiri-PT adalah ujian yang dilaksanakan sendiri secara mandiri dengan syarat dan prosedur yang ditetapkan sendiri oleh PTN dan PTKIN. Pendekatan yang digunakan adalah presentasi dan melakukan tanya jawab dengan peserta untuk memastikan peserta benar-benar mengerti tentang materi yang disampaikan. Hasil kegiatan ini menunjukkan peserta didik antusias dengan materi, 50% peserta didik menetapkan keinginan dan tujuan bidang yang akan diambil di perguruan tinggi, dan 85% termotivasi melanjutkan kuliah ke perguruan tinggi dan 90% memahami sistem seleksi masuk PTN.
Feasibility of Android-Based Application SCIQU (Science in Al-Quran) as Science Learning Media for Madrasah Ibtidaiyah (MI) Muttakin Muttakin; Zainul Mujtahid; Amam Taufiq Hidayat; Munzir Absa; Thalitha Attahara; Rahmah Nursada
Jurnal Penelitian Pendidikan IPA Vol 9 No SpecialIssue (2023): UNRAM journals and research based on science education, science applic
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9iSpecialIssue.5874

Abstract

In this age of technological advancement, the process of learning in the classroom is required to be more adaptive, using various media that can enhance it. One of the learning media that can increase student’s interest is picture story media (comics). In this study, an android-based comic media was developed, called Science in Al-Qur'an (SCIQU), with material about clean and healthy lifestyles for grade V Madrasah Ibtidaiyah (MI) students. The media was developed using Research and Development (R & D) Method with ADDIE (Analyze, Design, Develop, Implement, Evaluate) Model.  The media developed and the material presented in the media were validated by media expert validators and material experts. From the validation results, it was found that the media developed fell into the "Very Feasible" category with a total validity value of 95.34%. Likewise, the material presented in the SCIQU comic media is included in the "Very Feasible" category with a total validity value of 96.48%. So the SCIQU comic media that has been developed can be said to be very feasible to be implemented to MI students across the country.
Digital Assessment Tools: As a Media for Assesing High School Science Learning Mellyzar Mellyzar; Riza Andriani; Isna Rezkia Lukman; Muttakin Muttakin; Eva Wati; Ali Imron Pasaribu; Mhd. Ridwan Fadli
Jurnal Penelitian Pendidikan IPA Vol 10 No 3 (2024): March
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i3.6416

Abstract

This research is to produce a suitable digital assessment tool for high school students' in chemical literacy with validity, reliability, levels of difficulty and discrimination power. The research metodology is Research and Development (R&D) using the Oriondo and Dallo-Antonio model. The research stages include planning the test instrument, testing, determining empirical validity, determining reliability, and interpreting test scores. In the planning (instrument creation), where the validation score estimates by experts in content, language, construction, and media are above 0.8, indicating that the test instrument is considered suitable for further testing to estimate validity, reliability, difficulty levels, and discrimination power. Out of the 25 developed questions, 24 fit the Rasch model. The reliability of Instrument Part I is 0.67, and Part II is 0.65, falling into the "sufficient" category. The questions exhibit varied difficulty levels, ranging from very easy to very difficult, with a standard deviation (SD) of 0.21 for Part I and 0.14 for Part II. The separation achieved by Instrument Part I is into 4 ability groups, while Instrument Part II separates into 2 ability groups. The distractors for multiple-choice questions fall into the "good" and "very good" categories, fulfilling their intended function effectively.
Co-Authors Afriyani, Mice Putri Agus Muliaman Ainun Mardhiah Ali Imron Pasaribu Alvina, Sirry Arlin Maya Sari Armelianda, Dilla Attahara, Thalitha Bakhtiar Bakhtiar Choiruddin, Fiqih Cut Vita Rajiatul Jummi Eka Vidya Putra Eva Wati Fadieny, Nurul Fadli, Mhd Ridwan Fakhrah Fakhrah, Fakhrah Henni Fitriani Hidayat, Amam Taufiq Husna Diah Imanda, Riska Kamil, Puspita Annaba Karismayani, Karismayani Khairuddin - Lukman, Isna Rezkia Maya Safitri Mellyzar, Mellyzar Mhd. Ridwan Fadli Muh Fahruddin Alawi Muhammad Iqbal Muhammad Zulfajri Muliani Muliani, Muliani Munzir Absa Mustafa, M. Rafli Al Thotiq Nama Penulis Nanda, Fitriya Nispi Mawaddah Noval Fuadi Nur Elisyah Nurfachdini Nurfachdini Prakatiwi, Aulia Margareta Rahmah Nursada Rifaatul Mahmuzah Rika Ovisa Riza Andriani Riza Andriani Said Ali Akbar Said Ali Akbar Said Ali Akbar Salsabila Salsabila Setiawaty, Sri Siraj Siraj Sri Ismulyati Syafrizal Syafrizal Syahrul Ridha Thalitha Attahara Tulus Setiawan Ucia Mahya Dewi Wido Iskandar Widya Widya Widya Widya Widya, Widya Zainul Mujtahid Zarkasyi, Zarkasyi Zuliati, Septiarini