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All Journal J-PEK (JURNAL PEMBELAJARAN KIMIA) Jurnal Pengabdian Dinamika Journal of Computer for Science and Mathematics Learning
Erliasna, Emia
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Humanities Education Mathematics Social Sciences Other

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Comparison of Gravimetric Method with UV-Vis Spectrophotometry for Determination of Reaction Order in Natural Dyes Adsorption Process Wijayanti, Imas Eva; Erliasna, Emia; Solfarina, Solfarina
J-PEK (Jurnal Pembelajaran Kimia) Vol 8, No 1 (2023): J-PEK (JURNAL PEMBELAJARAN KIMIA)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um026v8i12023p27-34

Abstract

The order of the reaction is the number of concentration factors that affect the speed of a chemical reaction. The reaction order can be used to determine how the adsorption process is in the colouring process based on determining the linear regression equation of the R square value. This study aims to compare the gravimetric method with the UV-Vis spectrophotometric method in determining the reaction order in chlorophyll samples of the natural dye papaya leaves. This study used a quantitative method to determine the value of the reaction order of the papaya leaf natural dye, with data analysis techniques including gravimetric method analysis to determine chlorophyll content, UV-Vis spectrophotometry to determine the value of chlorophyll absorbance and linear regression to determine the order of the reaction. The results showed that the two methods followed first order with an R-value of 0.951 for the gravimetric method and 0.994 for the UV-Vis spectrophotometric method. REFERENCESAisy, G. A. R. (2018). Analysis of the Chlorophyll Content of Papaya Leaf Extract (Upload Papaya L.) Against Extraction Time Variations Using a Hodothermal Extractor. Diponegoro University, (1969), 4–27.Azizah, H. P., & Utami, B. (2016). Utilization of Green Dyes from Papaya Leaves (Carica papaya L.) As a Natural Textile Dyes. UNY National Chemistry Seminar, (October 2016).Fauziah, L., & Wakidah, M. (2019). Extraction of Papaya Leaves (Carica papaya L.) Using Ultrasonic Cleaner. EKSAKTA: Journal of Sciences and Data Analysis, 19(1), 35–45.Khofya, A., & Aji, M. P. (2018). Papaya Leaf Extract (Upload Papaya L.) as a natural dye in batik cloth. Indonesian Journal of Natural Science Education (IJNSE), 1(1), 13–17.Manurung, M. (2012). Mangosteen Peel Application (Garcinia Mangostana L.) As a Natural Dyes on Cotton Fabrics by Pre-Mordanting. Journal of Chemistry, 6(2): 183-190.Matitaputty, J. K., Ufie, A., Ima, W., & Pattipeilohy, P. (2022). Implementation of Education for Sustainable Development (ESD) Through Ecopedagogy in Learning at SMP Negeri 8 Ambon. BUDIMAS Journal, 04(1). http://journal.um-surabaya.ac.id/index.php/JKM/article/view/2203Namirah, I., Affifah, I., Wijayanti, I. E., & Langitasari, I. (2019). Study of Natural Coloring Plants in the Outer Baduy Community. EduChemia (Journal of Chemistry and Education), 4(2), 204.Pujilestari, T. (2015). Review: Sources and Utilization of Natural Dyes for Industrial Purposes Dynamics of Crafts and Batik, 32(2), 93–106. Retrieved from https://media.neliti.com/media/publications/61575-ID-review-sumber-dan-pemanfaatan-zat-warna.pdfRibeiro, M. G. T. C., Costa, D. A., & Machado, A. A. S. C. (2010). “Green Star”: A holistic green chemistry metric for evaluation of teaching laboratory experiments. Green Chemistry Letters and Reviews, 3(2), 149–159.Saputra, B. W. (2008). Adsorption System. 6–21. Tugas Akhir Sarjana. Jurusan Teknik Elektro Universitas Indonesia, Jakarta.Sugiyono. (2011). Quantitative Research Methods, Qualitative and R&D. Bandung: Alphabet.
PENGOLAHAN PANGAN BERBAHAN BAKU DAUN PEPAYA JEPANG UNTUK DIJADIKAN MAKANAN (STUDI KASUS PADA KWT MELATI II KELURAHAN KARAWACI) Nulhakim, Lukman; Yuliamsal, Ikhsan Anugrah; Hakima, Vini Hafidzatul; Ula, Fauziatul; Ismiandini, Annisa Aurellia; Erliasna, Emia; Disa Ramli, Indri Ayu; Dini, Rahmi Meilisti; Fadhilah, Nisrina Maulida; Gunawan, Rizki Fauzi; Pratama, Arsya Aditya; Fajar, Muhammad Ibnu; Jodea, Muhammad Reza; Riyadi, Muhammad; Nugroho, Wahyu
Jurnal Pengabdian Dinamika Vol 7, No 1 (2020)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/dinamika.v7i1.12065

Abstract

KWT Melati II Kelurahan Karawaci memiliki tanaman pangan yakni tanaman pepaya jepang. Daun pepaya jepang dapat diolah menjadi berbagai olahan pangan mengingat terdapat kandungan gizi yang mengandung protein, kalsium, zat besi, fosfor, vitamin A, niacin, riboflavin dan vitamin C yang baik untuk tubuh dan dapat pula diolah menjadi pangan olahan sebagai pengganti lauk diantaranya untuk pembuatan dendeng dan rempeyek. Tujuan dari pengabdian ini adalah meningkatkan pengolahan daun pepaya jepang menjadi makanan. Dipilihnya lingkungan Rw.02 Kelurahan Karawaci dikarenakan banyaknya tanaman pepaya jepang sehingga disebut kampung pepaya jepang. Metode yang dilakukan dengan tekhnik survey produk dendeng pepaya jepang. Diskusi dilakukan dengan anggota Kelompok Wanita Tani terkait cara pengelolaan dendeng pepaya tersebut. Selain itu, perbaikan kemasan produk dan pengenalan teknologi juga kami jelaskan dengan baik agar anggota Kelompok Wanita Tani dapat melakukan pemasaran sendiri setelah kami selesai melakukan pengabdian ini. Adapun hasil dari pengabdian tersebut terjadi peningkatan pengolahan dendeng daun pepaya jepang dan rempeyek.
Bibliometrics Analysis: Trend For Three Decades in Research Article of Web Module or Learning Module Erliasna, Emia
Journal of Computers for Science and Mathematics Learning Vol. 1 No. 1 (2024): Journal of Computers for Science and Mathematics Learning
Publisher : Scientia Publica Media

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70232/7z44eq65

Abstract

This bibliometric analysis purpose is to find out how research has developed over the years. The aim of this research is to find out how the trend in publication of articles about web modules over the last 3 decades was developed. This article applied quantitative methods to develop and evaluate the bibliometric and vos viewer to mapping the relationship of variables. Bibliometric publications were retrieved from 1994 to 2023 from the scopus bibliographic database. Results: Articles published about web modules have increased over the past 3 decades. The determination value (R2) indicates that the exponential trend line is reliable. The most cited article is written by Happel, 1994 with 209. The most productive author is from Virginia Commonwealth University School of Medicine. The most productive country which published a paper around 1994 to 2023 is the United States with 1331 articles published. The most productive source for publishing articles is Archives of Physical Medicine and Rehabilitation with a total publishing of 161 articles. The top 1 institution is from China, with 63 articles published. From this article, it can be seen that the authors who conducted research on web modules are very diverse. There are no authors working together to write one article. The most frequently used keyword is “E-Learning” with a total of 211 appearances and total link strength 69.
Co-Authors Dini, Rahmi Meilisti Disa Ramli, Indri Ayu Fadhilah, Nisrina Maulida Fajar, Muhammad Ibnu Gunawan, Rizki Fauzi Hakima, Vini Hafidzatul Imas Eva Wijayanti, Imas Eva Ismiandini, Annisa Aurellia Jodea, Muhammad Reza Muhammad Riyadi Nulhakim, Lukman Pratama, Arsya Aditya Solfarina, Solfarina Ula, Fauziatul Wahyu Nugroho Yuliamsal, Ikhsan Anugrah