Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Soni Setiadji"'
Publikováno v:
Walisongo Journal of Chemistry, Vol 4, Iss 2, Pp 90-96 (2021)
Biodiesel is currently getting great attention because it can reduce carbon dioxide emissions by 78.5% compared to petroleum-based diesel. The reaction that can produce biodiesel is the esterification reaction with the addition of a heterogeneous cat
Externí odkaz:
https://doaj.org/article/9a5c0240838947a3bef70282cd007a80
Autor:
Diba Grace Auliya, Ulfa Fauziah, Vira Fuji Arini, Soni Setiadji, Fitrilawati Fitrilawati, Arief Sjamsulaksan Kartasasmita, Risdiana Risdiana
Publikováno v:
Journal of Functional Biomaterials, Vol 14, Iss 8, p 425 (2023)
Polydimethylsiloxane (PDMS) is a substitute for vitreous humour in vitreoretinal surgery and is usually produced from octamethylcyclotetrasiloxane (D4). In Indonesia, both commercial PDMS and D4 are limited and expensive. Dichlorodimethylsilane (DCMS
Externí odkaz:
https://doaj.org/article/d5c44756e7a44ab3aed546136a3102b4
Publikováno v:
Αl-Kimiya: Jurnal Ilmu Kimia dan Terapan, Vol 5, Iss 2, Pp 68-73 (2019)
Grafena merupakan satu lapis atom karbon yang memiliki hibridisasi sp2 membentuk struktur heksagonal dua dimensi. Grafena memiliki potensi yang sangat luas namun ketersediaannya masih terbatas. Penelitian ini bertujuan untuk mensintesis oksida grafen
Externí odkaz:
https://doaj.org/article/8d83ceb4790c4a7bb766a877c792ddcb
Autor:
Citra D. D. Sundari, Soni Setiadji, Atthar Luqman Firmansyah, Dede Abdurahman, Denia Febby Nurbaeti
Publikováno v:
Walisongo Journal of Chemistry, Vol 1, Iss 2, Pp 82-90 (2018)
Silica (SiO2) has been successfully isolated from elephant grass by the sol gel method through pH regulation using NaOH and HCl. The resulting silica has an amorphous character with crystalline phase impurities. The isolated silica was then used as a
Externí odkaz:
https://doaj.org/article/0a47ed71592e47e7b77674786cb295c3
Publikováno v:
Journal of Functional Biomaterials, Vol 13, Iss 1, p 3 (2022)
Polydimethylsiloxane (PDMS) is one of the most superior materials and has been used as a substitute for vitreous humor in the human eye. In previous research, we have succeeded in producing PDMS with low and medium viscosity using octamethylcyclotetr
Externí odkaz:
https://doaj.org/article/c244f6d25a16454788c45f15739da392
Autor:
Ginawanti Maulida Gunawan, Dede Suhendar, Citra Deliana Dewi Sundari, Atthar Luqman Ivansyah, Soni Setiadji, Yusuf Rohmatulloh
Publikováno v:
Αl-Kimiya: Jurnal Ilmu Kimia dan Terapan, Vol 4, Iss 2, Pp 91-99 (2017)
Tongkol jagung merupakan limbah agrikultural yang banyak mengandung silika yang pemanfaatannya belum maksimal. Silika dai tongkol jagung dapat menjadi solusi alternatif untuk menggantikan sumber silika komersial. Penelitian ini bertujuan untuk mengis
Externí odkaz:
https://doaj.org/article/1d77d8423ff1421d8a5207a4a8170747
Autor:
Soni Setiadji, Ani Sri Wahyuni, Dede Suhendar, Citra Deliana Dewi Sundari, Atthar Luqman Ivansyah
Publikováno v:
Αl-Kimiya: Jurnal Ilmu Kimia dan Terapan, Vol 4, Iss 2, Pp 51-60 (2017)
Zeolit T merupakan salah satu tipe zeolit yang digunakan sebagai bahan membran untuk pemisahan gas. Penggunaan silika sebagai prekursor untuk mensintesis zeolit perlu dioptimalkan. Dalam studi ini, sumber silika diperoleh dengan memanfaatkan bahan ya
Externí odkaz:
https://doaj.org/article/c8a1127e281842b38bc725b3809fb38d
Publikováno v:
Jurnal Kimia Valensi, Vol 3, Iss 1, Pp 1-10 (2017)
Biodiesel was produced by transesterification of castor oil (Ricinus communis) using a catalyst of CaO and kaolin (CaO / kaolin) had been performed. CaO was obtained from the calcination of eggshell. Castor oil is selected as biodiesel feedstock beca
Externí odkaz:
https://doaj.org/article/0caf59a1f3f143c4b60d51d66c114c93
Publikováno v:
Αl-Kimiya: Jurnal Ilmu Kimia dan Terapan, Vol 2, Iss 1, Pp 41-45 (2015)
ABSTRAK Penelitian ini memprediksi sifat elektronik (diagram energi HOMO/LUMO, spektrum UV-Vis, dan rapatan orbital HOMO/LUMO) dari senyawa zat warna organik anisil indol / bi-3-n-heksiltiopen / asam sianoakrilik dan anisil indol / bi-3-n-heksiltiop
Externí odkaz:
https://doaj.org/article/59220e661563469d854b5e0d6d9ded8c
Publikováno v:
Materials Science Forum. 1028:377-382
After a successfully identified and synthesized Polydimethylsiloxane is known as silicone oil, the product needs to be upgraded and reformulated into a scalable dosage form. The scale-up in the production of silicone oil is very important in order to