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All Journal Mitra Sains Jurnal Akademika Kimia Jurnal Abdimas Ilmiah Citra Bakti
Reny Reny
Universitas Negeri Makassar
Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Computer Science & IT Education Environmental Science

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Analisis Produksi Padi Sawah di Desa Kalawara Kecamatan Gumbasa Kabupaten Sigi Reny Reny
Mitra Sains Vol 7 No 3 (2019): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v7i3.275

Abstract

The purpose of this study was to analyze the factors that affect the production of paddy rice farming in the village of Kalawara, the District of Gumbasa. The research was conducted in the village of Kalawara, District of Gumbasa, The Regency of Sigi with the consideration that the village is one of the largest rice using Mekongga rice seed. The population in this study are the farmers of paddy in the village numbering 169 people, by the determination of the sample, the number of respondents who were sampled as much as 20% of the total population of 169 farmers, in order to obtain a total sample of 34 farmers, respectively Mekongga seed as many as 18 farmers and other seed for 16 farmers. Based on the analysis using a model Production function Cobb-Douglas then obtained as follows: land area (X1), seeds (X2), urea (X3), fertilizer Phonska (X4), labor (X5),) and dummy use of seeds together (simultaneously) very significant effect on production or variable (Y), partially each variable (land, seed, fertilizer urea, fertilizer Phonska, labor, pesticides and dummy use of seeds effect on very significant effect on farm production of paddy in the village. The coefficient of determination (R2) of 0.960 indicates that the variation (rise and fall) farm production of paddy (Y) in the village can be explained by the independent variables (Xi) by 96%, while 4% were caused by other factors not included in the model, for example climatic factors and others.
Analysis of calcium (Ca) and phosphorus (P) levels in meti shells (Batissa violacea L.) Yadi Sumarsono; Baharuddin Hamzah; Reny Reny
Jurnal Akademika Kimia Vol. 13 No. 3 (2024)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2024.v13.i3.pp78-81

Abstract

Meti clams (Batissa violacea L) are one of the types of shellfish that live in freshwater. Shell waste contains high levels of calcium carbonate (98% by weight) and has potential for utilization. This research aims to determine the calcium (Ca) and phosphorus (P) levels in meti shells (Batissa violacea L.) from Woomparigi Village, North Morowali Regency. Analysis of calcium levels (Ca) using an atomic absorption spectrophotometer (AAS) at wavelengths of 422.7nm and phosphorus levels (P) using a UV-Vis spectrophotometer at a wavelength of 590nm. The results show that the average concentration of Calcium (Ca) is 14.58%, while the average concentration of Phosphorus (P) is 2.01%.
Determination of Essential Oil Yield from Extraction and Distillation in Lemon Peel (Citrus lemon) and Kaffir lime peel (Citrus hystrix) Ray F. D. H. Edi; Sri H. V. Pulukadang; Reny Reny
Jurnal Akademika Kimia Vol. 13 No. 3 (2024)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2024.v13.i3.pp82-87

Abstract

Essential oils are vegetable oils that give plants their distinctive aroma and contain essential ingredients. The purpose of this study was to determine the yield of essential oil of lemon peel and kaffir lime peel by extraction and distillation. The method used in distillation is simple distillation, and for extraction, it is maceration. The results showed that the water content of the lemon peel was 3.37%. For the kaffir lime peel, it was 2.72 % when compared to the Indonesian National Standard (SNI), which was not appropriate because the water content had a value of 7 - 14 %. The yield of essential oil obtained from the distillation of lemon peel was 2.29 % and kaffir lime peel 1.02 %. The yield of essential oil obtained from the extraction of lemon peel was 1.07%, and kaffir lime peel was 1.32%. The identification test of the distilled essential oil did not show any stains on the filter paper, which indicated that the result obtained was essential oil. In contrast, the identification test of the extracted essential oil showed the presence of stains on the filter paper, which indicated that the results obtained were not essential oils. To determine the quality of the essential oil produced by characterizing the refractive index, color, and odor tests. The results obtained show that the refractive index for the distillation of lemon peel is 1.3381, and for kaffir lime peel is 1.4698. The refractive index for the extraction of lemon peels is 1.3812, and kaffir lime peels is 1.369. When compared with SNI 8028-1:2014, it is generally not appropriate because it has not reached 1.507, except that the distillation of kaffir lime peels meets the requirements of SNI, while the color and smell are in accordance with SNI.
PELATIHAN MANAJEMEN REFERENSI BERBASIS MENDELEY DAN ZOTERO UNTUK MENDUKUNG PENYUSUNAN ARTIKEL ILMIAH DOSEN AKADEMI BINA FARMASI PALU Mery Napitupulu; Daud Karel Walanda; Alam Anshary; Nurasyah Dewi Napitupulu; Marungkil Pasaribu; Detris Poba; Reny Reny
Jurnal Abdimas Ilmiah Citra Bakti Vol. 7 No. 1 (2026)
Publisher : STKIP Citra Bakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38048/jailcb.v7i1.6279

Abstract

Permasalahan utama yang dihadapi dosen Akademi Bina Farmasi Palu adalah keterbatasan pemahaman dan keterampilan dalam mengelola referensi ilmiah secara sistematis menggunakan perangkat lunak manajemen referensi. Kondisi ini menyebabkan proses penulisan artikel ilmiah menjadi kurang efisien, terutama dalam pengelolaan sitasi dan penyusunan daftar pustaka sesuai standar penulisan ilmiah. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan kompetensi dosen dalam memanfaatkan perangkat lunak manajemen referensi guna mendukung penyusunan artikel ilmiah yang berkualitas. Mitra kegiatan adalah dosen Akademi Bina Farmasi Palu. Kegiatan dilaksanakan dalam bentuk pelatihan dan bimbingan teknis yang dilaksanakan secara langsung melalui presentasi materi dan praktik penggunaan aplikasi manajemen referensi seperti Mendeley dan Zotero. Materi pelatihan meliputi pengenalan perangkat lunak manajemen referensi, teknik pelacakan sumber literatur dari basis data ilmiah, pengelolaan sitasi otomatis, serta integrasi perangkat lunak manajemen referensi dengan perangkat pengolah kata. Kegiatan juga dilengkapi dengan sesi pendampingan teknis untuk membantu peserta mengatasi kendala dalam penggunaan aplikasi. Hasil kegiatan menunjukkan adanya peningkatan pemahaman dan keterampilan peserta dalam mengelola pustaka digital, melakukan sitasi secara otomatis, serta menyusun daftar pustaka sesuai gaya penulisan ilmiah. Peserta juga menunjukkan kemampuan yang lebih baik dalam memanfaatkan aplikasi manajemen referensi untuk mendukung proses penulisan artikel ilmiah. Dengan demikian, kegiatan pelatihan ini berkontribusi dalam meningkatkan kualitas penulisan ilmiah dosen serta mendukung penguatan budaya publikasi akademik di Akademi Bina Farmasi Palu.
Co-Authors Alam Anshary Baharuddin Hamzah Daud Karel Walanda Detris Poba Marungkil Pasaribu Mery Napitupulu Nurasyah Dewi Napitupulu Ray F. D. H. Edi Sri H. V. Pulukadang Sry Astuti Yadi Sumarsono