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All Journal Kafa’ah: Journal of Gender Studies Aceh International Journal of Science and Technology
Fathurrahmi Fathurrahmi
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Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Social Sciences

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INTERVENSI TUANKU TERKAIT PRAKTEK NIKAH SIRRI DI NAGARI KURAI TAJI PARIAMAN Ashabul Fadhli; Fathurrahmi Fathurrahmi
Kafa`ah: Journal of Gender Studies Vol 6, No 2 (2016)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/jk.v6i2.147

Abstract

One form of marriage that is not justified in view of Islamic law is a marriage that is conducted secretly (sir) or in this case called by Siri marriage. The marriage is not considered perfect, when it has not been published and equipped with the testament. The marriage that has been overshadowed by the elements or attempt to conceal, classified in prohibited marriage. In order not to fall into this category, then the solution is to announce. Qualitative approach was used where the data collected from Ungku and some people in Nagari Kurai Taji Pariaman. This descriptive research was analyzed using a normative-juridical-socio approach. The study found that there was clear goal to realize an ideal household life and have the force of law. But a legal guarantee by the state through the legal framework was not implemented in Nagari Kurai Taji Pariaman, West Sumatra. The study also discovered that the groom and bride were married Siri by the religious leaders (Ungku) from local society; not by Qadhi as the authorities designated by law.
Calcined Aceh Bovine Bone (Bos indicus) Intercalated Lithium as An Inorganic Base Catalyst for Transesterification of Castor Oil Muliadi Ramli; Saiful Saiful; Febriani Febriani; Amraini Amraini; Fathurrahmi Fathurrahmi; Shellatina Shellatina; Cut Fatimah Zuhra
Aceh International Journal of Science and Technology Vol 9, No 1 (2020): April 2020
Publisher : Graduate Program of Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (294.134 KB) | DOI: 10.13170/aijst.9.1.16622

Abstract

Realizing abundant availability of local bovine bone wastes in Aceh Province, Indonesia, this study is subjected to take competitive advantages from the local bovine bone waste for preparing an inorganic catalyst preparation. In detail, calcined Aceh bovine bones were successfully intercalated lithium through an impregnation method resulting in the inorganic base catalyst, which showed promising activity in the transesterification of castor oil. Prior to the experiment, the Aceh bovine bone waste was calcined at 900 oC in the air atmosphere for 4 hours, led to forming crystalline phases of hydroxyapatite [Ca5(PO4)3(OH)] and calcium oxide [CaO]. Also, the chemical modification of calcined bovine bone with lithium precursor has enhanced the physicochemical properties of the inorganic base catalyst. Finally, the intercalated Aceh bovine bone has shown a feasible activity in transesterification of castor oil into biodiesel, which yielding methyl ricinoleate as the main product.
Co-Authors Amraini Amraini Ashabul fadhli Cut Fatimah Zuhra Febriani Febriani Febriani Febriani Muliadi Ramli Saiful Saiful Saiful Saiful Shellatina Shellatina