Zobrazeno 1 - 10
of 75
pro vyhledávání: '"ZAINAL ALIM MAS'UD"'
Publikováno v:
Indonesian Journal of Chemistry, Vol 22, Iss 1, Pp 242-252 (2022)
Cubic BaTiO3 was synthesized through low-pressure hydrothermal-assisted sintering using Ba(OH)2 and TiO2 as precursors with a mol ratio of Ba:Ti = 1.4:1. The single phase of cubic BaTiO3 was produced at a sintering temperature of 800 °C for 2, 4, 8,
Externí odkaz:
https://doaj.org/article/e15f75bf44e946b39175f3d721510430
Publikováno v:
Kovalen: Jurnal Riset Kimia, Vol 7, Iss 3, Pp 169-177 (2021)
Corrosion is a physical interaction between the metal and its environment, which results in changes in the metal's properties due to chemical or electrochemical reactions. The corrosion rate can be reduced by adding a corrosion inhibitor. Uses of nan
Externí odkaz:
https://doaj.org/article/0b9a47c2e0a34937ac5f7d1f0f38fe6e
Publikováno v:
Makara Journal of Science, Vol 23, Iss 3, Pp 155-161 (2019)
Herein we report the application of the reaction products of crude palm oil-based fatty acids and monoethanolamine as sustainable corrosion inhibitors in acidic environments for carbon steels. Reaction products were identified based on FTIR analysis
Externí odkaz:
https://doaj.org/article/86d4d74948894776b98e7806a8e416c7
Publikováno v:
Indonesian Journal of Chemistry, Vol 19, Iss 1, Pp 30-40 (2019)
Indonesia is a major producer of palm oils. However, more than 76% of the production is exported as crude palm oil (CPO) with low economic values. Chemical conversion is necessary to produce more valuable derivatives of renewable biobased material in
Externí odkaz:
https://doaj.org/article/4f60db1325704497a1bd815ec3f18ad8
Publikováno v:
Indonesian Journal of Chemistry, Vol 19, Iss 1, Pp 78-88 (2019)
Hydrotreating process of Sunan candlenut oil by using NiMo-γAl2O3 catalyst has been successfully investigated. Preparation of NiMo-γAl2O3 catalyst by using dipping impregnation method generated catalyst used for hydrotreating process. This method c
Externí odkaz:
https://doaj.org/article/4c2fb50b3c1141938021a36e30702d1a
Autor:
Mohamad Yani, Charlena Charlena, Zainal Alim Mas’ud, Iswandi Anas, Yadi Setiadi, Agung Dhamar Syakti
Publikováno v:
Hayati Journal of Biosciences, Vol 27, Iss 2 (2020)
The heavy oil waste (HOW) containing polyaromatic hydrocarbon (PAHs) is a persistent organic pollutants (POPs) that difficult to degrade. The new PAH degrading consortium was investigated from HOW contaminated soil in North Sumatera of Indonesia. The
Externí odkaz:
https://doaj.org/article/7f4bdf5e7017488c86fc6104993761aa
Publikováno v:
Journal of Chemistry, Vol 2020 (2020)
The development of green and sustainable corrosion inhibitors for copper in a corrosive marine environment is highly desired. Herein, we studied the fatty acid-based amidine as the new type of renewable corrosion inhibitor. Stearamidine salt was used
Externí odkaz:
https://doaj.org/article/eb693e088df54469ba26f5d826efb2ec
Publikováno v:
Journal of Natural Resources and Environmental Management, Vol 9, Iss 4 (2019)
Excessive use of pesticides can have an impact on the environment, including the loss of pesticide residues in soil and agricultural products. The purpose of this study was to determine the spreading of organophosphate pesticide residues in the shall
Externí odkaz:
https://doaj.org/article/a0d87e20398c429a9e6a303e6701bb48
Publikováno v:
Indonesian Journal of Chemistry, Vol 16, Iss 3, Pp 243-248 (2016)
Carbon foam from fine coal and phenolic resin mixture had been prepared by heating in nitrogen atmosphere. The composition of fine coal in a mixture was 30, 35, 40, 45 and 50%. Physical and mechanical characters of carbon foam that were determined fr
Externí odkaz:
https://doaj.org/article/f6d5b3c5cacd4e73aeb6bfd2bdc0598d
Autor:
Imanuel Berly Delvis Kapelle, Tun Tedja Irawadi, Meika Syahbana Rusli, Djumali Mangunwidjaja, Zainal Alim Mas'ud
Publikováno v:
Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), Vol 34, Iss 3, Pp 217-229 (2016)
Piperonal as a precursor of cancer drug (Curcumin analogues) can be synthesized from extract of lawang’s bark (Cinnamomum culilawan Blume) with multiple stages, among others: isolation of essential oils, isolation safrole, safrole isomerization, an
Externí odkaz:
https://doaj.org/article/7a1293b801a4443a96a000c7e60acb57