Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Husein H. Bahti"'
Autor:
Senadi Budiman, Arie Hardian, Lisda Virdasari, Nurdeni Nurdeni, Herman Herman, Abdul Mutalib, Anni Anggraeni, Husein H. Bahti
Publikováno v:
Journal of Tropical Pharmacy and Chemistry, Vol 6, Iss 1 (2022)
The purpose of this research is to separate gadolinium(III) from terbium(III), by the liquid-liquid extraction method, with the extractant dibutyl dithiophosphate. Gadolinium(III) and terbium(III) have been selected in this study to see if the two me
Externí odkaz:
https://doaj.org/article/f580919699cc47f0b81df92b2e3fbce8
Autor:
Santhy Wyantuti, Uji Pratomo, Lastri A. Manullang, Diana Hendrati, Yeni Wahyuni Hartati, Husein H. Bahti
Publikováno v:
Heliyon, Vol 7, Iss 4, Pp e06602- (2021)
The development of methods for the efficient and reliable separation and routine analysis of rare-earth elements (REEs), including samarium (Sm), proceeds to draw in the interest of the many researchers, attributable to the similar physical and chemi
Externí odkaz:
https://doaj.org/article/fc0aa613063343c6a9222c4a35a32511
Autor:
Yeni Wahyuni Hartati, Leonard Kristofel Letelay, Shabarni Gaffar, Santhy Wyantuti, Husein H. Bahti
Publikováno v:
Sensing and Bio-Sensing Research, Vol 27, Iss , Pp - (2020)
Metal oxide-based sensors have the advantage of rapid response and of high sensitivity to detect specific active biological species and are relatively inexpensive. This report of the present study concerns the development of a cerium oxide – monocl
Externí odkaz:
https://doaj.org/article/eaae71c704eb4b0c9b4b4208ec581e85
Publikováno v:
Journal of Tropical Pharmacy and Chemistry, Vol 4, Iss 4 (2018)
Ion-exchange chromatography has been widely used in various separation process and purification. Commercial ion-exchange resin mostly uses polystyrene as stationer phase. This study reviewed the synthesis of cation-exchange resin with polystyrene as
Externí odkaz:
https://doaj.org/article/ae28e19cc4fc4b7c9329680da0e92781
Publikováno v:
Indonesian Journal of Chemistry, Vol 9, Iss 2, Pp 321-327 (2010)
A phenolic compoud, (-)-epicatechin, was isolated from the stem bark of Garcinia bancana. The structure of this compound was determined base on spectroscopic data such as including UV, IR, 1-D, 2-D NMR, and comparison with the reported data. Biologic
Externí odkaz:
https://doaj.org/article/3386808f5e4b47aba9c6111ddd30d4cd
Publikováno v:
Indonesian Journal of Chemistry, Vol 7, Iss 3, Pp 342-345 (2010)
A xanthone, 1,5-dihidroxy-3,6-dimethoxy-2,7-bis-(3-methylbutenyl)xanthone had been isolated from the stem bark of Garcinia bancana Miq. The structure of this compound was elucidated by analysis of spectroscopic data, especially using 1D and 2D NMR sp
Externí odkaz:
https://doaj.org/article/8196c8bc0dcb41bca09460183582f359
Publikováno v:
Journal of Tropical Pharmacy and Chemistry, Vol 1, Iss 1 (2010)
ABSTRACT Neodymium, Praseodymium, Cerium, and Lanthanum are rare earth elements with considerably high concentration in monazite and xenotime. Samples used in this research are monazite sands from PT Timah Bangka and obtained from Dowa Mining prod
Externí odkaz:
https://doaj.org/article/826017fb88f74247a06b4c08af5f4a47
Autor:
Afifah Rana Widianti, Dwi Ratna Setiani, Fauzia Salsabila, Anni Anggraeni, Uji Pratomo, Husein H. Bahti
Publikováno v:
ALCHEMY:Journal of Chemistry. 11:1-11
First row transition metals are heavy metals that are very abundant in their compound form and widely applied in industrial fields because of their unique physical and chemical properties. These industrial activities often produce waste that still co
Autor:
Herman Herman, Bohari Yusuf, Laode Rijai, Hadi Kuncoro, Anni Anggraeni, Abdul Mutalib, Husein H. Bahti
Publikováno v:
Research Journal of Pharmacy and Technology. :5629-5634
The development of the separation method has an essential role in developing science and technology for the separation and purification of an element or compound from other mixtures based on differences in physical and chemical properties. This resea
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 24, Iss 5, Pp 177-184 (2021)
Rare earth elements are a set of seventeen metallic elements, which is an essential part of many high-tech devices. Hence, analysis and/or separation of the rare earth elements from their mineral become crucial. A novel analysis method combining ultr