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All Journal Chemica: Jurnal Ilmiah Kimia dan Pendidikan Kimia Bioedukasi: Jurnal Pendidikan Biologi Jurnal Biotek Arfak Chem: Chemistry Education Journal English Language, Linguistics, and Culture International Journal (ELSTIC-IJ) Seminar Nasional Hasil Penelitian LP2M UNM Chemedu: Jurnal Ilmiah Pendidikan Kimia Abdi Kimia : Jurnal Pengabdian Masyarakat

Muhammad Danial

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Author-ID : 323196

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Dentistry Economics, Econometrics & Finance Education Energy Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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Pengaruh penggunaan Scrapbook dalam Model Problem Based Learning terhadap Hasil Belajar Peserta Didik Kelas XI IPA SMAN 14 Gowa (Studi pada Materi Pokok Sistem Koloid) Rahmawati Rahmawati; Muharram Muharram; Muhammad Danial
Chemica: Jurnal Ilmiah Kimia dan Pendidikan Kimia Vol 21, No 2 (2020)
Publisher : Jurusan Kimia FMIPA UNM

Penelitian ini adalah penelitian eksperimen semu yang bertujuan untuk mengetahui pengaruh penggunaan scrapbook pada model problem based learning terhadap hasil belajar peserta didik kelas XI IPA SMAN 14 Gowa tahun pelajaran 2018/2019 pada materi pokok sistem koloid. Kelas yang terpilih sebagai sampel penelitian yaitu kelas XI IPA 3 sebagai kelompok eksperimen dan kelas XI IPA 4 sebagai kelas kontrol. Dalam penelitian ini, sebagai variabel bebas adalah model problem based learning dengan penggunaan scrapbook dan model problem based learning tanpa penggunaan scrapbook . sedangkan sebagai variabel terikat adalah hasil belajar peserta didik. Data yang diperoleh dianalisis dengan menggunakan statistik deskriptif dan statistik inferensial. Hasil analisis prasyarat statistik inferensial terhadap posttest hasil belajar menunjukkan bahwa data pada kelompok eksperimen dan kontrol tidak terdistribusi normal serta memiliki varians yang homogen. Uji non-parametrik uji Mann-whitney dengan α = 0,05 dan dk= 4 dan diperoleh zhitung > ztabel ( 1,85>1,64) sehingga dapat disimpulkan bahwa H0 ditolak dan H1 diterima berarti ada pengaruh penggunaan scrapbook pada model problem based learning terhadap hasil belajar peserta didik kelas XI IPA SMAN 14 Gowa pada materi pokok sistem koloid. Kata kunci: PBL, scrapbook, hasil belajar ABSTRACT This research was quasi-experimental research that aimed to know The Effect of using Scrapbook on Problem Based Learning Model toward student achievement in class XI IPA SMAN 14 Gowa in academic year 2018/2019 on subject matter Colloidal System. Classes selected as research samples were class XI IPA 3 as experimental group and XI IPA 4 as control group. Problem based learning model with scrapbook and problem based learning model without scrapbook as the independent variables. Meanwhile, student achievement as the dependent variables. The data obtained were analyzed using descriptive statistic and inferential statistic. The result of inferential statistic prerequisite analysis on posttest of student achievement showed that the data in the experimental group and control group wasn’t normally distributed and data has homogeneous variance. The non-parametric test of Mann-Whitney test with α = 0,05 and dk= 4 and obtained Zcalculated>Ztable (1,85 > 1,64). It can be conclude than H0 rejected and H1 acccepted which means there was an effect of using scrapbook on Problem Based Learning model toward student achievement in class XI IPA SMAN 14 Gowa of subject matter colloidal system. Keywords: PBL, scrapbook, student achievement

Isolasi dan Identifikasi Senyawa Metabolit Sekunder Ekstrak Etil Asetat Daun Kayu Jawa (Lannea coromandelica (Houtt) Merr). Sri Hartati; Muhammad Danial; Pince Salempa
Chemica: Jurnal Ilmiah Kimia dan Pendidikan Kimia Vol 22, No 1 (2021): Jurnal Chemica
Publisher : Jurusan Kimia FMIPA UNM

ABSTRAKPenelitian eksplorasi ini bertujuan untuk mengisolasi dan mengidentifikasi senyawa metabolit sekunder yang terdapat dalam ekstrak etil asetat daun Kayu Jawa. Sampel diperoleh dari kecamatan Cina, Bone. Penelitian ini terdiri dari beberapa tahap yaitu maserasi dengan metanol, partisi dengan etil asetat, fraksinasi, pemurnian dan identifikasi. Hasil penelitian diperoleh isolat murni berbentuk serbuk berwarna kuning kehijauan, positif terhadap pereaksi Lieberman-Buchard. Hasil spektroskopi spektrum FTIR menunjukkan bilangan gelombang (cm-1) yakni: 1456,26 dan 1377 (CH2 dan CH3), 1539 (C=C);1739,79 dan 1707,00 (C=O) ; 2953,02 , 2918,30 dan 2850,79 (C-H); 3441,01 (OH) dan 1041,56 (C-O). Berdasarkan hasil uji serta data spektrum FTIR, isolat yang diperoleh diduga merupakan senyawa golongan steroid.Kata kunci : Isolasi, L. coromandelica (Houtt) Merr, Steroid ABSTRACTThis exploration research aim to isolate and identify the secondary metabolite compound from etil acetat extract of Kayu Jawa leaf. Sample were obtained from Cina district, Bone Sub District, South Sulawesi. This research consists of several stages, they were maceration with methanol, partition with etil acetate, fractination, purification and identification. The result was pure isolate in yellow greenery powder, both isolate positive Lieberman-Burchard reagent. Spectrum of FTIR showed several wave number (cm-1) : 1456,26 and 1377 (CH2 and CH3), 1539 (C=C);1739,79 and 1707,00 (C=O) ; 2953,02 , 2918,30 and 2850,79 (C-H); 3441,01 (OH) and 1041,56 (C-O). Based on the test reagent and FTIR spectral datas, both isolate is group of steroid compounds.Keywords : Isolation, L. coromandelica (Houtt) Merr, Steroid

Co-Authors Amalia Noor Hiqmah Diana Eka Pratiwi Hamansah Hamansah Hardin Jusniar Maizyurah Maizyurah Mohammad Wijaya.M Muhammad Arsyad Muharram Muharram Pince Salempa Rahmawati Rahmawati Rapika Samsyu Sri Hartati Sukmawati Yasim Taty Sulastri

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Journal : Chemica: Jurnal Ilmiah Kimia dan Pendidikan Kimia