Výsledky vyhledávání - "Paulus H. Abram"

The Utilization of Acid as a Color Stabilizer in the Extraction of Anthocyanins from the Lakum (Cayratia trifolia L.) Peel

Autor: Aryo E. Peluru, Paulus H. Abram

Publikováno v: Jurnal Akademika Kimia. 10:254-259

Anthocyanins are a group of natural dyes (pigments) that give many colors to plants’ leaves, flowers, and fruits. Anthocyanins are generally acidic and more stable under acidic conditions. One of the plants that contain anthocyanin is the lakum (Ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::afbb50d77af45cc43d12467d5afe86a9
https://doi.org/10.22487/j24775185.2021.v10.i4.pp254-259

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Co-pigmentation of Anthocyanin Jamblang Fruit (Syzygium cumini) with Acetic Acid and Alum

Autor: Chintia N. Barani, Siti Nuryanti, Paulus H. Abram

Publikováno v: Jurnal Akademika Kimia. 10:237-246

This study aimed to determine the effect of temperature on the stability of anthocyanin jamblang after co-pigmentation with acetic acid and alum. The extraction of Jamblang fruit used the maceration method with n-hexane, ethyl acetate, and ethanol-HC

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7aba422696e3f899f389d68b3034123d
https://doi.org/10.22487/j24775185.2021.v10.i4.pp237-246

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Analysis of Cyanide Contents in Cassava Leaves (Manihot esculenta Crantz) Based on Boiling Time with Formation of Hydrindantin Complex by Using UV-Vis Spectrophotometry

Autor: Kadek N. Anjani, Baharuddin Hamzah, Paulus H. Abram

Publikováno v: Jurnal Akademika Kimia. 10:49-52

This study aimed to determine cyanide contents in cassava leaves (Manihot esculenta Crantz) based on boiling time with the formation of hydrindantin complex using UV-Vis spectrophotometry. The variation of boiling time was 0, 5, 10, and 15 minutes re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::908e17ddd5bb86ce765e8ccdfdea97c7
https://doi.org/10.22487/j24775185.2021.v10.i1.pp49-52

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Effect of Cooperative Learning Model STAD Type Based on Mind Mapping toward Students’ Learning Outcomes on Chemical Bond Material in 10th Grade SMA Negeri 1 North Parigi

Autor: Sitti Aminah, Nurhijrah Nurhijrah, Paulus H. Abram

Publikováno v: Jurnal Akademika Kimia. 9:168-171

This study aimed to describe the effect of cooperative learning model STAD type based on mind mapping toward students’ learning outcomes on chemical bond material in 10th Grade SMA Negeri 1 North Parigi. This type of research was quasi experiment w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::72d3bd84f348abbf5c3b8935699bf5bb
https://doi.org/10.22487/j24775185.2020.v9.i3.pp168-171

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Implementation of Problem Based Learning (PBL) Model toward Students’ Learning Outcomes in the Class XI IPA on Colloid Material at SMA Negeri 9 Palu

Autor: Almaidah Almaidah, Paulus H. Abram, Anang Wahid M. Diah

Publikováno v: Jurnal Akademika Kimia. 8:197-203

Problem-based learning (PBL) is a learning model where students learn through practical problems related to the real life. The students conducted to solve the problems solving being discussed through a series of learning systematically. This study ai

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::20c0763b6d7ea6cf4dc610a63c9a1a24
https://doi.org/10.22487/j24775185.2019.v8.i4.pp197-203

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Pengaruh Kombinasi dan Rasio Pelarut Terhadap Hasil Ekstraksi Minyak dari Serabut Kelapa Sawit

Autor: Fachrul Rozi, Anang Wahid M. Diah, Paulus H. Abram

Publikováno v: Jurnal Akademika Kimia. 7:146

This study aimed to determine the combinations and ratios of appropriate solvents to obtain the optimal mass of palm oil. Extracting the oil from palm fibers was conducted using soxletation method. Extraction is a way to get oil in a high amount and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0adf9d7ed7687866d8dbf9656f249f5
https://doi.org/10.22487/j24775185.2018.v7.i3.11913

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