Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Hardi Ys."'
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 8, Iss 1, Pp 92-98 (2022)
Oil palm empty fruit bunches (OPEFB) are plantation waste that has the potential to be used as activated carbon. The main component of OPEFB is lignocellulosic which can be a source of activated carbon and utilized for Pb2+ ion adsorption. The use of
Externí odkaz:
https://doaj.org/article/2a3548f6f1e647b391aadb8c4ea6736a
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 7, Iss 3, Pp 214-219 (2021)
Black sea cucumber is one type of sea cucumber whose protein content is quite high at 74-82%, not yet widely used by the community as a source of protein. One way to use it is to process the protein into a protein hydrolyzate using the bromelain enzy
Externí odkaz:
https://doaj.org/article/e1c208a6f6fc44a297cd3d4179a30093
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 7, Iss 1, Pp 59-64 (2021)
Liquid smoke contains acid, carbonyl, and phenolic compounds, so it is very appropriate to be used as a preservative. Traditional smoking can be replaced with liquid smoke because it is safer and more practical. The study of the use of coconut shell
Externí odkaz:
https://doaj.org/article/98b57a5bce734a8bb5272209b9b9e94e
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 6, Iss 3, Pp 206-211 (2020)
Research on the manufacture of methyl esters from avocado seeds (Parsea americana Mill) with eugenol-based catalysts has been conducted. The aim is to determine the catalyst concentration used to produce methyl esters with the highest rendement and d
Externí odkaz:
https://doaj.org/article/cf7cc35f92604bda80a9eb79b884c955
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 4, Iss 1, Pp 82-87 (2018)
Penelitian modifikasi dan sintesis senyawa kimia untuk tujuan antibakteri terus berkembang, diantaranya adalah kajian hubungan antara struktur senyawa dengan aktivitas antibakteri. Penelitian ini dilakukan melalui kajian reaksi dua senyawa yaitu sitr
Externí odkaz:
https://doaj.org/article/06985b8857d04951a1e303faae4cd366
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 3, Iss 3, Pp 285-291 (2017)
Dye-Sensitized Solar Cells (DSSC) research by using cactus fruit extract (Opuntia elatior Mill.) has been done. The objectives of the research are to determine the highest efficiency of submersion time and Dye pH treatments of cactus fruit extract (O
Externí odkaz:
https://doaj.org/article/3a4bf4434aa94447a0cff2d69f6771eb
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 3, Iss 1, Pp 50-57 (2017)
A research about a comparative study of spectrophotometry UV-Vis and HPLC method for the analysis of vitamin E in saponified red palm oil has been done. This research aims to compare the results of analysis using Spectrophotometer UV - Vis and HPLC t
Externí odkaz:
https://doaj.org/article/32a557e5a655473dbb0206b50567bdff
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 2, Iss 3 (2016)
The title of this research is “ the production of maltodextrin of sagoo flour using α-amylase”. The objective of this research is to find out the amount of sagoo flour, enzym and time reaction the produced maltodextrin with the highest dextrosa
Externí odkaz:
https://doaj.org/article/af27d7f2533143fda2de14cb1a441612
Publikováno v:
KOVALEN: Jurnal Riset Kimia. 6:206-211
Research on the manufacture of methyl esters from avocado seeds (Parsea americana Mill) with eugenol-based catalysts has been conducted. The aim is to determine the catalyst concentration used to produce methyl esters with the highest rendement and d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81a2da014010d7bc48f18ad05f54ee3b
https://doi.org/10.22487/kovalen.2020.v6.i3.13053
https://doi.org/10.22487/kovalen.2020.v6.i3.13053
Publikováno v:
KOVALEN: Jurnal Riset Kimia. 6:34-38
Antibacterial activity of Moringa oleifera Lam. stem bark has been tested against Staphylococcus aureus and Escherichia coli. The extraction of Moringa oleifera Lam. stem bark was used maceration method with methanol solvent and has obtained extract
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c18b5868fe7583b698ebf177ee71ebf9
https://doi.org/10.22487/kovalen.2020.v6.i1.12854
https://doi.org/10.22487/kovalen.2020.v6.i1.12854