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Menampilkan 1–5 dari 5 artikel
Pembuatan Nano Kitosan dengan Metode Gelasi Ionik Menggunakan SEM (Scanning Elektron Microscopy)
Pratiwi One
; Astin Lukum
; La Alio
; Erni Mohamad
; Kostiawan Sukamto
Jurnal Pendidikan Kimia, Fisika dan Biologi
Vol 1
, No 4
(2025)
This study aims to determine how nano chitosan is produced through the ionic gelation method. The process of making nano chitosan is carried out using variations in chitosan concentrations of 1%, 5%, and 10%, and using a magnetic stirrer. Morphological tests were carried out using Scanning Electron Microscopy (SEM) to observe the shape and size of the particles formed. The addition of TPP (Trisodium Tripolyphosphate) as a crosslinker and certain surfactants are used to increase particle stabilit...
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Pengaruh Pemberian Pupuk Kompos Ampas Kelapa dan Air Laut terhadap Pertumbuhan Tanaman Selada (Lactuca Sativa L.)
Nur Fadillah Pulukadang
; Akram La Kilo
; La Ode Aman
; Astin Lukum
; Erni Mohamad
Jurnal Pendidikan Kimia, Fisika dan Biologi
Vol 1
, No 3
(2025)
This study aims to determine the effect of coconut pulp and seawater compost on the growth of lettuce (Lactuca Sativa L). This type of research uses a quantitative method. Based on the results of the study, the treatment of coconut pulp and seawater compost on the most optimal plant height is the treatment on the 28th day because there is the greatest potential difference in treatment compared to other days and the treatment of coconut pulp and seawater compost on the optimal number of leaves is...
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Validitas Media Pembelajaran Kimia Berbasis Augmented Reality (AR) Menggunakan Assemblr Edu pada Materi Hidrokarbon
Fatma Tahir
; Astin Lukum
; Masrid Pikoli
; Lukman A.R. Laliyo
; Akram La Kilo
; Erga Kurniawati
Jurnal Pendidikan Kimia, Fisika dan Biologi
Vol 1
, No 3
(2025)
This study aims to determine the level of validity of Augmented Reality (AR)-based chemistry learning media using the Assemblr Edu platform on hydrocarbon material. This learning media was developed through the 4D development model (Define, Design, Develop, Disseminate). Validation was carried out by three experts using an instrument in the form of a validation media sheet that includes aspects of content, visual appearance, interactivity, and suitability with learning objectives. The validation...
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Efektivitas Model Inkuiri Terbimbing Berbasis STEM untuk Meningkatkan Kemampuan Berpikir Kritis Siswa pada Materi Laju Reaksi : Literature Review
Siti Jabaria Anwar
; Astin Lukum
; Thayban Thayban
; Masrid Pikoli
; Erga Kurniawati
Jurnal Pendidikan Kimia, Fisika dan Biologi
Vol 1
, No 3
(2025)
This study is a literature review aimed at examining the effectiveness of the guided inquiry model based on STEM in enhancing students’ critical thinking skills. The guided inquiry model provides a structured framework for students to explore problems under teacher guidance, while the STEM (Science, Technology, Engineering, and Mathematics) approach promotes interdisciplinary, contextual, and practical learning. Through an analysis of various relevant articles and scholarly journals, the finding...
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Analisis Kadar N-total Tanah pada Pertumbuhan Tanaman Jagung yang Diberikan Pupuk NPK-Biochar-Kitosan
Roslina Imran
; Astin Lukum
; Wiwin Rewini Kunusa
; Yuszda K. Salimi
; Erni Mohamad
; Arviani Arviani
Pentagon : Jurnal Matematika dan Ilmu Pengetahuan Alam
Vol 3
, No 1
(2025)
Corn (Zea mays) is a widely cultivated crop in Gorontalo and has high economic value as well as an important role in food security. Fertilization is one of the key factors that influence the productivity of corn plants. This research aims to determine the combination of NPK fertilizer doses granulated with Biochar-Chitosan in enhancing the growth and productivity of corn plants, as well as its impact on the quality of total N soil content. The study was conducted by planting corn, applying ferti...
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