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All Journal Animal Production : Indonesian Journal of Animal Production Jurnal Geuthee
F Fatimah, F
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences Veterinary

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The Utilization of Chicken Fat as Alternative Raw Material for Biodiesel Synthesis Gugule, S; Fatimah, F; Rampoh, Y
ANIMAL PRODUCTION Vol 13, No 2 (2011): May
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (322.079 KB)

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Abstract. A study of biodiesel production of chicken fat through estrification-transesterification reactions has been conducted. The separation of the chicken fat was conducted using heating technique, while the esterification-transesterification was conducted using ethanol reagent with chloride acid and hydroxide kalium catalyses. The identification results were identified chromatographically and spectroscopically and the chemical properties (peroxide number, acid number and saponification number) were determined. The results of the study showed that the ethyl ester resulting from the chicken fat was dominated by ethyl miristic component (1.25%), ethyl palmitic (22.38%), ethyl palmitoleic (3.35%), ethyl stearic (7.56%), ethyl oleic (45.83%), and ethyl linoleic (17.54%). Moreover, the percentage yield of ethyl ester from es-trans reaction of chicken fat was 66-70 %. The ethyl ester had the same characteristic as biodiesel quality standard.Key Words: chicken fat, esterification, transesterification, biodiesel
The role of islamic school principals to develop teacher competencies in improving the quality of learning Ruslaini, Ruslaini; Mukhlis, Amir; Fatimah, F; Sumarno, S
Jurnal Geuthèë: Penelitian Multidisiplin Vol 7, No 3 (2024): Jurnal Geuthèë: Penelitian Multidisiplin
Publisher : Geuthèë Institute, Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52626/jg.v7i3.370

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The research aims to determine the role of Madrasah Principal in developing teachers' abilities. This research is important to carry out in order to get an overview of its role in developing teachers' abilities. The method used in this study is quantitative descriptive.  The subject of the study is the Principal of MIN 4 Banda Aceh. Collection techniques through interviews, questionnaires, observations and documentation. The data analysis technique uses percentages.  The results of the study show that the function of the Madrasah Principal as an educator creates a conducive school climate, enlightens school residents, provides encouragement to education personnel, as a manager is able to face various problems in school, thinks analytically, conceptually, and always tries to be a mediator in solving various problems. As an administrator, he is closely related to various administrative management activities that are record-keeping and documenting of all school programs. As a supervisor,  supervise the work carried out by education staff. As a leader, he provides guidance and supervision, and is able to build two-way communication in carrying out various tasks. Thus, it can be concluded that the role of the Madrasah Principal can develop teacher competence in improving the quality of learning.
Co-Authors Amir Mukhlis Ruslaini, Ruslaini S Gugule, S S Sumarno Y Rampoh, Y