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All Journal Jurnal Penelitian Hasil Hutan Profetika Jurnal Ilmiah Telaah AT-TURAS: Jurnal Studi Keislaman Makara Journal of Science Jurnal Ilmiah Pangan Halal PENG: Jurnal Ekonomi dan Manajemen
Sahirman Sahirman
Agroindustrial Department of P4TK Cianjur, Jl.Jangari Km. 14 Sukajadi, Karangtengah, Cianjur, Indonesia
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Social Sciences Other

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PROSES TRANSESTERIFIKASI PADA PEMBUATAN BIODIESEL MENGGUNAKAN MINYAK NYAMPLUNG (Calophyllum inophyllum L.) YANG TELAH DILAKUKAN ESTERIFIKASI Sudradjat, R; Sahirman, Sahirman; Suryani, A; Setiawan, D
Jurnal Penelitian Hasil Hutan Vol 28, No 2 (2010): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3598.387 KB) | DOI: 10.20886/jphh.2010.28.2.184-198

Abstract

Penelitian ini bertujuan untuk mengetahui kondisi proses pembuatan biodiesel dari minyak nyamplung dengan kualifikasi produk sesuai persyaratan Standar Nasional Indonesia (Anonim, 2006). Penelitian ini terdiri dari degumming, esterifikasi dan transesterifikasi. Optimasi proses transesterifikasi dilakukan dengan mencari kondisi optimum penggunaan rasio molar metanol-minyak dan konsentrasi katalis NaOH. Peneltian pengaruh variabel proses terhadap hasil transesterifikasi meliputi pengaruh suhu, kecepatan pengadukan, rasio molar metanol-minyak dan waktu reaksi transesterifikasi. Proses transesterifikasi minyak nyamplung yang optimum diperoleh pada rasio molar metanol- minyak 6:1, katalis NaOH 1% yang dilakukan pada temperatur transesterifikasi 60 C, waktu 30 menit dan kecepatan pengadukan 400 rpm. Sifat-sifat biodiesel hasil penelitian sebagian besar telah memenuhi standar Indonesia (Anonim, 2006) meliputi massa jenis, angka setana, titik nyala mangkok tertutup, korosi kepingan tembaga, air dan sedimen, temperatur distilasi 90%, kandungan belerang, kandungan fosfor, kandungan gliserol total, kandungan gliserol bebas, kandungan alkil ester serta angka iodium, sedangkan viskositas kinematik 40 C, residu karbon, titik kabut, abu tersulfatkan dan bilangan asam belum memenuhi standar.
KINETIKA REAKSI TRANSESTERIFIKASI MINYAK BIJI NYAMPLUNG (Calophyllum inophyllum) PADA PROSES PRODUKSI BIODIESEL Sahirman, Sahirman; Suryani, A.; Mangunwidjaja, D.; Sukardi, Sukardi; Sudradjat, R.
Jurnal Penelitian Hasil Hutan Vol 27, No 3 (2009): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2355.109 KB) | DOI: 10.20886/jphh.2009.27.3.201 - 212

Abstract

Biodiesel adalah bahan bakar alternatif untuk mesin diesel yang dibuat dari minyak sayur, lemak hewan, atau minyak bekas melalui proses transesterifikasi dengan alkohol seperti metanol yang dapat digunakan secara langsung maupun dicampur dengan minyak diesel. Tujuan penelitian ini adalah menentukan kinetika reaksi transesterifikasi minyak biji nyamplung (Calophyllum inophyllum) pada proses pembuatan biodiesel. Kinetika transesterifikasi digunakan untuk membuat rancangan proses khususnya berkaitan dengan kinerja reaktor. Kinetika  reaksi ditentukan pada nisbah molar metanol terhadap minyak 6:1, konsentrasi katalisator NaOH terhadap berat minyak 1%, kecepatan pengadukan 400 rpm, waktu 30 menit dan suhu 302K, 318 K, 333 K dan 343 K. Hasil penelitian menunjukkan bahwa tetapan laju reaksi transesterifikasi orde satu pada suhu 302K, 318 K, 333 K dan 343 K masing-masing berturut-turut adalah 0,0546 menit-1, 0,0663 menit-1, 0,0883 menit-1dan 0,1174 menit-1. Energi aktivasi(Ea) adalah 3870,5 cal/mol dan laju reaksi transesterifikasi (Rt)= 32,23 e( 3870,5   /RT)[ME]. Pada kondisi isotermal suhu 333 K dengan harga k = 0,0883 menit-1, untuk mendapatkan metil ester sebesar 2,82 mol/liter atau 95,17% dibutuhkan 15,27 menit.
PENERAPAN STRATEGI NABI IBRAHIM DALAM MENDIDIK ANAK DALAM TAFSIR SURAT ASH-SHAFFAT AYAT 99-113 (Studi Kasus di Madrasah Tsanawiyah 3 Muhammadiyah Masaran Sragen) Sahirman, Sahirman
Profetika Vol. 15, No. 2, Desember 2014
Publisher : Muhammadiyah University Press

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Abstract

This study intends to examine the problems of quality and education value to the children, reviewing the events of the dream with the prophet Abraham to slayhis son Ishmael alaihimas greetings in Q.S Ash-Shaaffaat: 99-113. The problem in thisstudy are, 1) what strategies are used to educate children of Abraham in the SurahAsh-Shaaffaat: 99-113? 2) The value of what you want to be grown by the prophetIbrahim strategies in educating children contained in surah Ash-Shaaffaat: 99-113? 3) What is the relevance of the strategy developed by prophet Ibrahim in Surah Ash-Shaaffaat: 99-113 on Islamic education curriculum in MTs.3 Muhammadiyah MasaranSragen? This is qualitative study which refers to the data of scientific papers (researchlibrary), the approach used is a model of thematic tafsir (maudhu’i), the data collectiontechniques are document study, while analyzing the data used in the content analysis (content analysis). Inductive method is used to infer from the data that has been analyzed previously, are then described in words. The results of this study suggest that strategies to educate children of Abraham are: purification of the soul, are in a good environmentand controlled, has a vision, mission and goals, have excellent communication, has aspirit of sacrifice to achieve the contentment, love and help of god, has the formula “aljaza’ min jinsil charity”. The resulting values are: a lot of praying, establish the prayer, has the power embroidery, Honesty, Patience and have responsibility. Abraham and education strategy as far as the authors are very relevant to the study of Islamic educationcurriculum in MTs.3 Muhammadiyah Masaran Sragen Academic Year 2009/2010.Keywords: strategy; education; child.Penelitian ini bermaksud meneliti masalah kualitas dan nilai pendidikan padaanak, dengan mengkaji peristiwa mimpi Nabi Ibrahim untuk menyembelih anaknyaIsmail alaihimas salam dalam Q.S Ash-Shaaffaat: 99-113. Permasalahan dalampenelitian ini adalah: pertama, apa strategi yang digunakan Nabi Ibrahim dalammendidik anak dalam Q.S Ash-Shaaffaat: 99-113? Kedua, nilai apa yang inginditumbuhkan dengan strategi yang dilakukan Nabi Ibrahim dalam mendidik anak yangterdapat dalam Q.S Ash-Shaaffaat: 99-113? Ketiga, Bagaimana relevansi strategi yangdikembangkan oleh Nabi Ibrahim dalam Q.S Ash-Shaaffaat: 99-113 pada kurikulumpendidikan agama Islam di MTs.3 Muhammadiyah Masaran Sragen? Penelitianini bersifat kualitatif yang mengacu pada data-data karya ilmiah (library research),pendekatan yang digunakan adalah ilmu tafsir model tematik (maudhu’i), Teknikpengumpulan data adalah dokumentasi, sedangkan dalam menganalis datadigunakan analisis isi (conten analysis). Metode induktif digunakan untukmengambil kesimpulan dari data-data yang telah dianalisis sebelumnya, yangkemudian dijelaskan dengan kata-kata. Hasil dari penelitian ini menunjukkanbahwa strategi Nabi Ibrahim dalam mendidik anak adalah: pensucian jiwa, beradapada lingkungan yang baik dan terkontrol, memiliki visi misi dan tujuan, memilikikomunikasi yang excellent, memiliki semangat berkorban untuk meraih keridhaan, kecintaan dan pertolongan Allah, memiliki rumus “al-jaza’ min jinsil amal”.Strategi pendidikan Nabi Ibrahim sejauh penelitian penulis sangat relevan dengankurikulum pendidikan agama Islam di MTs. 3 Muhammadiyah Masaran SragenTahun Ajaran 2009/2010Kata Kunci: strategi; pendidikan; anak.
PENERAPAN STRATEGI NABI IBRAHIM DALAM MENDIDIK ANAK DALAM TAFSIR SURAT ASH-SHAFFAT AYAT 99-113 (Studi Kasus di Madrasah Tsanawiyah 3 Muhammadiyah Masaran Sragen) Sahirman, Sahirman
Profetika Jurnal Studi Islam Vol. 15, No. 2, Desember 2014
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/profetika.v15i02.1994

Abstract

This study intends to examine the problems of quality and education value to the children, reviewing the events of the dream with the prophet Abraham to slayhis son Ishmael alaihimas greetings in Q.S Ash-Shaaffaat: 99-113. The problem in thisstudy are, 1) what strategies are used to educate children of Abraham in the SurahAsh-Shaaffaat: 99-113? 2) The value of what you want to be grown by the prophetIbrahim strategies in educating children contained in surah Ash-Shaaffaat: 99-113? 3) What is the relevance of the strategy developed by prophet Ibrahim in Surah Ash-Shaaffaat: 99-113 on Islamic education curriculum in MTs.3 Muhammadiyah MasaranSragen? This is qualitative study which refers to the data of scientific papers (researchlibrary), the approach used is a model of thematic tafsir (maudhu?i), the data collectiontechniques are document study, while analyzing the data used in the content analysis (content analysis). Inductive method is used to infer from the data that has been analyzed previously, are then described in words. The results of this study suggest that strategies to educate children of Abraham are: purification of the soul, are in a good environmentand controlled, has a vision, mission and goals, have excellent communication, has aspirit of sacrifice to achieve the contentment, love and help of god, has the formula ?aljaza? min jinsil charity?. The resulting values are: a lot of praying, establish the prayer, has the power embroidery, Honesty, Patience and have responsibility. Abraham and education strategy as far as the authors are very relevant to the study of Islamic educationcurriculum in MTs.3 Muhammadiyah Masaran Sragen Academic Year 2009/2010.Keywords: strategy; education; child.Penelitian ini bermaksud meneliti masalah kualitas dan nilai pendidikan padaanak, dengan mengkaji peristiwa mimpi Nabi Ibrahim untuk menyembelih anaknyaIsmail alaihimas salam dalam Q.S Ash-Shaaffaat: 99-113. Permasalahan dalampenelitian ini adalah: pertama, apa strategi yang digunakan Nabi Ibrahim dalammendidik anak dalam Q.S Ash-Shaaffaat: 99-113? Kedua, nilai apa yang inginditumbuhkan dengan strategi yang dilakukan Nabi Ibrahim dalam mendidik anak yangterdapat dalam Q.S Ash-Shaaffaat: 99-113? Ketiga, Bagaimana relevansi strategi yangdikembangkan oleh Nabi Ibrahim dalam Q.S Ash-Shaaffaat: 99-113 pada kurikulumpendidikan agama Islam di MTs.3 Muhammadiyah Masaran Sragen? Penelitianini bersifat kualitatif yang mengacu pada data-data karya ilmiah (library research),pendekatan yang digunakan adalah ilmu tafsir model tematik (maudhu?i), Teknikpengumpulan data adalah dokumentasi, sedangkan dalam menganalis datadigunakan analisis isi (conten analysis). Metode induktif digunakan untukmengambil kesimpulan dari data-data yang telah dianalisis sebelumnya, yangkemudian dijelaskan dengan kata-kata. Hasil dari penelitian ini menunjukkanbahwa strategi Nabi Ibrahim dalam mendidik anak adalah: pensucian jiwa, beradapada lingkungan yang baik dan terkontrol, memiliki visi misi dan tujuan, memilikikomunikasi yang excellent, memiliki semangat berkorban untuk meraih keridhaan, kecintaan dan pertolongan Allah, memiliki rumus ?al-jaza? min jinsil amal?.Strategi pendidikan Nabi Ibrahim sejauh penelitian penulis sangat relevan dengankurikulum pendidikan agama Islam di MTs. 3 Muhammadiyah Masaran SragenTahun Ajaran 2009/2010Kata Kunci: strategi; pendidikan; anak.
BIODIESEL FROM LOW GRADE USED FRYING OIL USING ESTERIFICATION TRANSESTERIFICATION PROCESS Hasibuan, Sawarni; Ma’ruf, Amar; Sahirman, Sahirman
Makara Journal of Science Vol. 13, No. 2
Publisher : UI Scholars Hub

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Abstract

Biodiesel from Low Grade Used Frying Oil Using Esterification Transesterification Process. The aim of this research was to obtain the optimal condition for the production of biodiesel from low grade used frying oil through the esterification transesterification process. The experiment was arranged in Completely Randomized Design with Duncan’s advanced test. Results showed that the biodiesel FFA content is ranged between 0.167 to 0.795% (P
Meningkatkan Kemampuan Akademik dan Motivasi Belajar Siswa Sekolah Dasar dengan Model Pembelajaran Berbasis Proyek Sederhana Irwandi, Irwandi; Sahirman, Sahirman; Fatania, Sri; Ilham, Ilham
Jurnal Ilmiah Telaah Vol 9, No 2: July 2024
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/telaah.v9i2.22486

Abstract

Pendidikan di tingkat sekolah dasar memiliki peran krusial dalam membentuk fondasi pengetahuan dan keterampilan siswa. Namun, tantangan muncul dalam meningkatkan motivasi belajar siswa dan mengembangkan kemampuan kritis mereka. Metode pembelajaran konvensional cenderung kurang melibatkan siswa secara aktif dan kurang menantang bagi mereka. Pembelajaran Berbasis Proyek atau Project Based Learning (PBL) menawarkan pendekatan yang lebih interaktif dan praktis, memungkinkan siswa untuk terlibat secara aktif dalam pembelajaran yang bermakna dan relevan dengan kehidupan mereka. Studi ini menggunakan penelitian tindakan kelas (PTK) untuk mengeksplorasi potensi PBL sederhana dalam meningkatkan kemampuan akademik dan motivasi belajar siswa sekolah dasar. Subjek penelitian adalah siswa kelas IV di SDN 1 Montong Terep, Nusa Tenggara Barat. Instrumen pengumpulan data meliputi observasi dan tes, dengan analisis data menggunakan statistik deskriptif dan inferensial. Hasil penelitian menunjukkan bahwa intervensi PBL sederhana secara signifikan meningkatkan kemampuan akademik siswa pada siklus kedua. Selain itu, terjadi peningkatan dalam partisipasi, kerjasama, dan kepercayaan diri siswa selama proses pembelajaran. Kesimpulannya, PBL sederhana efektif dalam meningkatkan prestasi akademik dan motivasi belajar siswa sekolah dasar. Penelitian ini memberikan wawasan yang berharga tentang potensi model pembelajaran berbasis proyek sederhana dalam meningkatkan pendidikan di tingkat dasar.
The Urgency of the Relationship of Ulama and Government in the Development of Religious Diversity in Indonesia Sazali, Hasan; Sahirman, Sahirman; Tantawi, Iryuha; Abdullah Lawang, Karimuddin
JURNAL AT-TURAS Vol 10, No 2 (2023)
Publisher : Universitas Nurul Jadid

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33650/at-turas.v10i2.6871

Abstract

Indonesia is a large country that has residents with various religious and religious backgrounds. As a country with a society of various religions, of course the state will not be able to protect and fulfill all the dynamic needs of its people if there is no support or relationships from elements of the people themselves. So, this is where the government needs relations or partners who can work side by side in realizing peace in religion. In this case, the ulama are one of the government's working partners, so it is necessary to study the urgency of the relationship between the ulama and the government in realizing the development of religious diversity in Indonesia. This research uses qualitative research methods with a schematic sociology approach. The data sources come from various literature, which is then analyzed using qualitative analysis techniques. The results of the research conclude: 1) The relationship between ulama and the Indonesian government in realizing peace is very necessary because society in general is close to ulama so that when ulama unite with the government then the government's call is the ulama's call, what is ordered by the government will be more easily obeyed by the community both in terms of tolerance in religion and in other matters. 2) The development of religious diversity in Indonesia has experienced positive developments, because every religious adherent in Indonesia has provided tolerance for each community, both for the community itself and towards communities of other religions.
ANALISIS PROTEIN DAN ASAM AMINO NATTO, MAKANAN FERMENTASI KEDELAI KUNING OLEH BASILLUS SUBTILLIS NATTO Sahirman, Sahirman
Jurnal Ilmiah Pangan Halal Vol. 1 No. 2 (2019): Jurnal Ilmiah Pangan Halal
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/jiph.v1i2.3095

Abstract

This Research aims to analyze crude protein and amino acid profile of natto from yellow soybeans from Vedca Cianjur. Protein analysis was performed using the Semi-micro Kjeldahl method, while amino acid analysis was performed using High Performance Liquid Chromatography (HPLC). Analysis of natto paste shows that natto contains an average of 22.1% crude protein and an average amino acid content of 14.46%. The results of the analysis of 15 average amino acids in Natto with HPLC showed that amino acids consist of 7 types of essential amino acids and 8 essential amino acids.  The percentage of fresh weight of essential amino acids are Histidine (0.46% wb), Leucine (1.25% wb), Threonine (0.59%wb), Valine (0.81% wb), Methionine (0.13% wb), Isoleucine (0,76% wb), Fenilalanine (0.87% wb) and 8 non-essential amino acids are Serine (0.72% wb), Aspartic Acid (1.89%), Arginine (0.91%), Lysine (0.83% ), Glutamine (3.62%), Glycine (0.65%), Alanin (0.67%), and Tyrosine (0.3% wb). Glutamine is the highest level of amino acids (3.62% wb), followed by aspartic acid (1.89% wb) and Leucine (1.25% wb).
Analisis Dinamika Indsutri Konveksi di Aceh Barat : Tantangan dan Peluang Sahirman, Sahirman
PENG: Jurnal Ekonomi dan Manajemen Vol. 2 No. 1b (2025): AGUSTUS 2024 -JANUARI 2025
Publisher : Teewan Journal Solutions

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62710/0d57y291

Abstract

The convection industry in West Aceh has a significant role in the local economy by utilizing the potential of raw materials and local culture. This study analyzes the challenges and opportunities faced by the industry, using a qualitative approach with in-depth interviews with business owners. The research results show that this industry faces obstacles in the form of limited capital, lack of skilled labor, and less than optimal marketing strategies. However, there are great opportunities through the use of digital technology, collaboration with creative communities, and sustainability trends. SWOT analysis identifies strengths in the form of unique products and growing markets, as well as weaknesses such as dependence on certain raw materials. Recommendations include product diversification, improving digital marketing, and strengthening brand identity to increase competitiveness. Implementation of this strategy is expected to support local economic growth and improve the welfare of the people of West Aceh.
Co-Authors a suryani A. Suryani Abdullah Lawang, Karimuddin D Setiawan, D D. Mangunwidjaja, D. Fatania, Sri Hasan Sazali Ilham Ilham irwand irwandi Ma’ruf, Amar R Sudradjat, R R. Sudradjat, R. Sawarni Hasibuan Sukardi Sukardi Tantawi, Iryuha