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KARAKTERISASI LEMPUNG CENGAR AKTIVASI KOH KALSINASI PADA 300 o C Laili, Rahmatul; ', Nurhayati; ', Muhdarina
Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Vol 1, No 2 (2014): Wisuda Oktober 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam

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Abstract

This research studied about the characteristics of  Cengar’s clay activated with KOH. The clay used was from the village of Lubuk Cengar Jambi Regency Kuantan Singingi. This clay was activated with KOH by impregnation method with variated weights of KOH/Clay i.e 5%, 10%, 15%, 20%, and 25% and the calcination temperature of 300o C. The activated clays were characterized by determining among other types of clay minerals by XRD, Si/Al ratio by gravimetry method,  cation exchange capacity (CEC) by Mehlich method, surface area by blue methylen adsorption, and the site of acid and base clay with alchalimetry and acidimetry method.  The results of XRD showed that mineral kaolinite is lost and replaced by new compounds, namely potassium alumina silicate at KOH concentration of 20% and 25%. The highest Si/Al ratio was at concentration 5% (12.13%) and the lowest at 20% (2,52%). Subsequent observations showed that the highest cation exchange capacity (CEC) was at 5% (349.72 meq/100g) and the lowest was at 10% (91.07 meq/100g). The highest surface area was at 25% (33.273 m2/g) and lowest was at 5% (25,838 m2/g). Acidity and alkalinity in activated clay increase higher than those clays of without activation. The highest acidity was at 10% (1,7550 mmol/g), while the highest alkalinity was at 5% (1,0600 mmol/g).
KETELADANAN KHULAFAURRASYIDIN DALAM PROSES PEMBENTUKAN KARAKTER MUSLIM: STUDI ANALISIS PADA PEMBELAJARAN AQIDAH AKHLAK MADRASAH TSANAWIYAH Laili, Rahmatul; Adona, Putri; Haida Rahma, Rifka; saputra, indra
Jurnal Ilmiah Al-Furqan: Al-qur'an Bahasa dan Seni Vol. 11 No. 1 (2024): Jurnal Ilmiah Al-Furqan: Al-qur'an Bahasa dan Seni
Publisher : STAI Darul Quran Payakumbuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69880/alfurqan.v11i1.114

Abstract

Khulafaurrasyidin's exemplary and positive values ​​are very important in developing Muslim character. Khulafaurrasyidin's exemplary has become a reference or source for Muslims in developing good character and behavior according to Islamic teachings. For this reason, in this research the author wants to analyze material about Khulafaurrasydin's exemplary in learning Aqidah Akhlak at Madrasah Tsanawiyah. The research method used is a qualitative method with a content analysis approach by understanding and studying theory and various literature related to the research. After conducting an in-depth analysis, the author found that the structure of the Aqidah Akhlak material at Islamic Junior High School has quite extensive discussion. So in this discussion the author discusses two subthemes, these two subthemes are 1). The exemplary of Khalifa Abu Bakar Ash-Siddiq. 2). The exemplary of KhalifaUmar bin Khattab. In the future, the author hopes that this research will have a positive impact, especially in madrasas as formal educational institutions with the characteristic of instilling Islamic values ​​in their students.
KETELADANAN KHULAFAURRASYIDIN DALAM PROSES PEMBENTUKAN KARAKTER MUSLIM: STUDI ANALISIS PADA PEMBELAJARAN AQIDAH AKHLAK MADRASAH TSANAWIYAH Laili, Rahmatul; Adona, Putri; Haida Rahma, Rifka; saputra, indra
Jurnal Ilmiah Al-Furqan: Al-qur'an Bahasa dan Seni Vol. 11 No. 1 (2024): Jurnal Ilmiah Al-Furqan: Al-qur'an Bahasa dan Seni
Publisher : Institut Darul Quran Payakumbuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69880/alfurqan.v11i1.114

Abstract

Khulafaurrasyidin's exemplary and positive values ​​are very important in developing Muslim character. Khulafaurrasyidin's exemplary has become a reference or source for Muslims in developing good character and behavior according to Islamic teachings. For this reason, in this research the author wants to analyze material about Khulafaurrasydin's exemplary in learning Aqidah Akhlak at Madrasah Tsanawiyah. The research method used is a qualitative method with a content analysis approach by understanding and studying theory and various literature related to the research. After conducting an in-depth analysis, the author found that the structure of the Aqidah Akhlak material at Islamic Junior High School has quite extensive discussion. So in this discussion the author discusses two subthemes, these two subthemes are 1). The exemplary of Khalifa Abu Bakar Ash-Siddiq. 2). The exemplary of KhalifaUmar bin Khattab. In the future, the author hopes that this research will have a positive impact, especially in madrasas as formal educational institutions with the characteristic of instilling Islamic values ​​in their students.