Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Eka Angasa"'
Publikováno v:
Science and Technology Indonesia, Vol 9, Iss 1, p 167 (2024)
The intriguing pursuit of environmentally friendly solvents with tailored properties for diverse applications is a focal point of numerous studies, encompassing precursor selection, thorough characterization, and the exploration of potential applicat
Externí odkaz:
https://doaj.org/article/89f27069581f4b64bc9de82b4228d604
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 6, Pp 12917-12925 (2020)
In this study, a facile and green synthesis approach of Zn2SnO4 was conducted by using Impatiens balsamina L. aqueous leaf extract through the hydrothermal method. The results show that Zn2SnO4 was successfully produced with a specific characteristic
Externí odkaz:
https://doaj.org/article/1f685fc860b14ea5a52ebca5ed53ed5e
Publikováno v:
Aceh International Journal of Science and Technology, Vol 6, Iss 2, Pp 52-58 (2017)
Composites material based on sulfonated cyclone fibre cellulose (SCFC) and benzotriazole (Btri) have been prepared. Cyclone fibre cellulose (CFC) was sulfonated with trimethylsilyl chlorosulfonate (TMSCS), with high degree of sulfonation (150%). The
Externí odkaz:
https://doaj.org/article/2b9bd541c5894b0abfacf338f86982bd
Publikováno v:
Dharma Raflesia, Vol 14, Iss 2 (2018)
Kegiatan pengabdian dilaksanakan dikarenakan sering terjadi kelangkaan gas sehingga harga gas menjadi tinggi. Kelangkaan dan tingginya harga gas menyebabkan masyarakat kembali beralih ke kayu untuk keperluan memasak sehari-hari. Sementara Kelonpok Ta
Externí odkaz:
https://doaj.org/article/446b79b4b1264ed08041fa057cb15123
Publikováno v:
Jurnal Kimia Valensi, Vol 2, Iss 4 (2017)
Penelitian ini bertujuan untuk mensintesis katalis besi berpendukung ZnAl2O4 (Fe/ZnAl2O4). SintesisFe/ZnAl2O4 dilakukan dengan beberapa tahap, yaitu sintesis ZnAl2O4 menggunakan metode keramikyang dikembangkan oleh Ballarini (2009), dengan sedikit mo
Externí odkaz:
https://doaj.org/article/c79f8fe6bf594f448381d9223d0651c0
Publikováno v:
International Journal of Science and Engineering, Vol 6, Iss 1, Pp 47-51 (2014)
Study on comparison the physicochemical properties of bunch press fibre cellulose (Bpfc) and cyclone fibre cellulose (Cfc) wastes from industry Crude Palm oil (CPO) have been performed. The physicochemical properties both of celluloses have been done
Externí odkaz:
https://doaj.org/article/1c831554cf434085b0d32bc416c7ddb6
Publikováno v:
Aceh International Journal of Science and Technology, Vol 1, Iss 1, Pp 26-29 (2012)
In this research bentonite was used as filler to produce polymer electrolyte (PVCLiClO4). Some weight variation of bentonite have been made by addition, such as 0% wt/wt; 5% wt/wt ; 10% wt/wt ; 15% wt/wt ; 20% wt/wt ; and 25% wt/wt of bentonite to th
Externí odkaz:
https://doaj.org/article/3b0b4f5244684980b9bfe470d67237a4
Publikováno v:
Aceh International Journal of Science and Technology, Vol 4, Iss 3 (2015)
Intercalated graphite from coal tailings have been modified through the intercalation of iron. Coal tailings which is a byproduct of the destruction process and flakes washing results from mining coal. Intercalation of iron goal is to improve the phy
Externí odkaz:
https://doaj.org/article/dd59f5adabce46d3a0431dfa52ca4974
Autor:
Salprima Yudha S., Eka Angasa, Sri Ningsih, Syalfinaf Manaf, Suli Anggria Murni, Fatan Umbara
Publikováno v:
Indonesian Journal of Chemistry, Vol 11, Iss 2, Pp 196-199 (2011)
A methanol soluble fraction extracted from Kayu Manik leaves (Trema orientalis) from Seluma, Bengkulu, exhibited an antiradical activity 69.73% (scavenging activity of the stable 1,1-diphenyl-2-picryl hydrazyl (DPPH) free radical) that was almost sim
Externí odkaz:
https://doaj.org/article/22ddbd8e53b44e8380094bc24767f0ec
Publikováno v:
Jurnal Riset Kimia, Vol 4, Iss 2 (2015)
ABSTRACT The aims of this work was to synthesize ZnAl2O4-supported iron material (Fe/ZnAl2O4). The Fe/ZnAl2O4 materials were prepared by impregnation of iron ions (FeCl3 and (NH4)2Fe(SO4)2 precursors) in solution to ZnAl2O4. Characterization of prod
Externí odkaz:
https://doaj.org/article/63e4619cd744455cb4d84a110682c5c5