Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Yulia Eka Putri"'
Autor:
Yulia Eka Putri, Tio Putra Wendari, Dinda Dinda, Meyrizka Arnel, Humaira Faradilla, Refinel Refinel, Mai Efdi
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 9, Iss , Pp 100601- (2024)
SrTiO3 hydrothermal synthesis mediated by cetyl trimethyl ammonium bromide (CTAB) and tert-butyl amine (TBA), resulted in a typical nanopolyhedral morphology. All samples were identified as single-phase, adopting a Pm3m cubic crystal structure. Morph
Externí odkaz:
https://doaj.org/article/b838232904a54edfa8d201dd965a3678
Autor:
Tio Putra Wendari, Alfir Rizki, Zulhadjri, Yulia Eka Putri, Emriadi, Arniati Labanni, Andon Insani, Agus Rimus Liandi
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 9, Iss , Pp 100679- (2024)
This work successfully synthesized single-phase Aurivillius Bi4Ti2.75(FeNb)0.125O12 using a molten salt method and the natural precursor of Fe3+ ions extracted from Padang Beach sand. The study extensively examined the phase formation, crystal struct
Externí odkaz:
https://doaj.org/article/b3b2548c0e0e4f1e9fb83d1792d1922d
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 8, Iss , Pp 100513- (2023)
Sr3Ti2O7 Ruddlesden Popper (RP) compound offers promising applications for electronic materials, in which the modification of the electronic band structure of the respective crystal significantly affects its functionalities. The molten salt technique
Externí odkaz:
https://doaj.org/article/44e193aa845d4613a0df3169e6dac9f1
Autor:
Syafrizayanti Syafrizayanti, Rahmayeni Rahmayeni, Mai Efdi, Yeni Stiadi, Syukri Syukri, Yulia Eka Putri, Diana Vanda Wellia, Tio Putra Wendari, Admi Admi, Emil Salim, Geliz Luh Titisari, Famella Azhara
Publikováno v:
Warta Pengabdian Andalas, Vol 30, Iss 1, Pp 40-46 (2023)
The use of feed in fish farming is often inefficient because fish only partially consume the feed spread in ponds, so it becomes waste for the aquatic environment and, even worse, will trigger new diseases. The Department of Chemistry's of Universita
Externí odkaz:
https://doaj.org/article/f0f63b85745347329eff384d65fc0953
Publikováno v:
Chimica Techno Acta, Vol 10, Iss 4 (2023)
The electrical conductivity of low concentrations of lanthanum-doped SrTiO3 nanocube ceramics synthesized using the facile solvothermal method in mixed organic and inorganic solvents with cetyltrimethylammonium bromide (CTAB) as a capping agent and t
Externí odkaz:
https://doaj.org/article/8bbdb23fc8d84cde978f494cac2a88cd
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 7, Iss , Pp 100305- (2023)
The CuFe2O4/activated carbon (CuFe/AC) composite was synthesized using green betle leaf extract as a biocapping agent and the AC achievable from oil palm empty bunches of waste. XRD confirms the presence of each phase and the spherical-shaped nanopar
Externí odkaz:
https://doaj.org/article/331aa2c29f474f919e19bfe5ec523ffb
Autor:
Yulia Eka Putri, Tio Putra Wendari, Restu Aulia Arham, Melvi Muharmi, Dedi Satria, Rahmayeni Rahmayeni, Diana Vanda Wellia
Publikováno v:
Chimica Techno Acta, Vol 10, Iss 1 (2023)
The polycrystalline SrTiO3 thin films were prepared by the sol-gel-hydrothermal method on glass substrates. The synthesis pathway was initiated by preparing a clear TiO2 solution using the sol-gel method. This clear solution was then deposited on a g
Externí odkaz:
https://doaj.org/article/8c2bb98f368842399d867983666ded33
Publikováno v:
International Journal of Renewable Energy Development, Vol 10, Iss 2, Pp 307-315 (2021)
A heterogeneous catalyst is one type of catalyst which is very effective for biodiesel production; thus, in this study, a novel heterogeneous bifunctional catalyst was prepared by kaolinite clay obtained from Padang of West Sumatera and impregnated w
Externí odkaz:
https://doaj.org/article/f66938d91a8a4a1f9170d4333f653768
Publikováno v:
Aceh International Journal of Science and Technology, Vol 9, Iss 3, Pp 187-196 (2020)
This research is aimed to examine the catalytic activity of Sawahlunto clay, which is enriched with Ca2+ and Cu2+ transesterification of Crude Palm Oil (CPO) to produce biodiesel. Based on the results of the analysis with X-Ray Fluorescence (XRF) and
Externí odkaz:
https://doaj.org/article/775b7d0b85b74c53b696935121f6f54e
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 15, Iss 3, Pp 662-673 (2020)
This study uses broiler chicken eggshells to enhance catalytic activity of clay obtained from Pasaman Barat (West Sumatra, Indonesia) in lab-scale biodiesel production. The eggshell is a source of calcium oxide (CaO) which operates as a catalyst when
Externí odkaz:
https://doaj.org/article/58aacb11893b4c7ab3352138c28e9cfc