Zobrazeno 1 - 10
of 102
pro vyhledávání: '"Rachmat Triandi"'
Autor:
Suriati Eka Putri, Diana Eka Pratiwi, Rachmat Triandi Tjahjanto, Nita Magfirah Ilyas, Dahlang Tahir, Abd Rahman, Heryanto Heryanto
Publikováno v:
Indonesian Journal of Chemistry, Vol 23, Iss 5, Pp 1199-1211 (2023)
The gelcasting technique was employed to fabricate porous ceramics utilizing kaolinite clay as the base material with a combination of 20 wt.% cassava starch. The utilization of cassava starch as a pore-template material is a sustainable and eco-frie
Externí odkaz:
https://doaj.org/article/71aa8ac0d00a44159f2565fa64838d21
Autor:
Suriati Eka Putri, Ahyar Ahmad, Indah Raya, Rachmat Triandi Tjahjanto, Rizal Irfandi, Harningsih Karim, Susilo Sudarman Desa, Abd Rahman
Publikováno v:
Indonesian Journal of Chemistry, Vol 23, Iss 3, Pp 727-741 (2023)
This study was conducted to determine the role of thermal treatment on the crystallinity and pore characteristics of porous ceramic, which was prepared from natural clay (NC) and chitosan (CS) biopolymer using the gel casting method. CS was used as a
Externí odkaz:
https://doaj.org/article/0e065c76b9464621a5cffd44c9495ae4
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 26, Iss 2, Pp 50-56 (2023)
This study discusses the activation of natural zeolite from Blitar City – East Java using NaOH solution (0.5 M and 1.0 M). Characteristics of unactivated and activated zeolites were also investigated, as well as the effect of the activator (NaOH so
Externí odkaz:
https://doaj.org/article/f5920a67044f489093ab6b20dc1a1cbc
Publikováno v:
Journal of Pure and Applied Chemistry Research, Vol 11, Iss 3, Pp 182-188 (2022)
A tube type mini electrode has been made to detect paracetamol levels in herbal medicine, the electrode is made of a glass tube with a diameter of 0.7 cm, a length of 3 cm. As the membrane is a mixture of chitosan, activated carbon from rice husk, an
Externí odkaz:
https://doaj.org/article/786e73d604af4966a8a26561b9b1052e
Publikováno v:
Journal of Pure and Applied Chemistry Research, Vol 11, Iss 1, Pp 72-82 (2022)
Previous research showed that rice husk has a high silica content so it becomes an alternative for processing rice waste. The acid leaching method is a technique to isolate silica by adding an acid solution. The research aim is to obtain the optimum
Externí odkaz:
https://doaj.org/article/5ead6499ff37493ea812b8d594876f4c
Publikováno v:
Journal of Pure and Applied Chemistry Research, Vol 11, Iss 1, Pp 46-53 (2022)
Hydrogen sulfide (H2S) is an impurity in gaseous fuels such as biogas, therefore this gas removal method is an interesting topic. The physisorption method is considered to be a simple work to be applied on a small scale. This research studies the imp
Externí odkaz:
https://doaj.org/article/b18ba771e5b54a7582168f51e2a8543e
Publikováno v:
Journal of Pure and Applied Chemistry Research, Vol 10, Iss 2, Pp 123-131 (2021)
Sea water as a raw material resources for the kitchen salt production, besides containing NaCl, has also containing other dissolved salts such as hygroscopic calcium and magnesium salts. The high content of other salts cause industrial NaCl has a low
Externí odkaz:
https://doaj.org/article/e5b5b8042b844707943e1806b39661da
Synthesis and Activation Study of Iron (Fe) Based Fischer Tropsch (FT) Catalyst Using Sol-gel Method
Publikováno v:
Journal of Pure and Applied Chemistry Research, Vol 8, Iss 3, Pp 217-224 (2019)
As oil consumption increases from year to year, efforts need to be made to increase energy reserves by developing new renewable energy. One way to develop energy sources is by the synthesis Fischer Tropsch (FT). FT is a synthetic gas conversion react
Externí odkaz:
https://doaj.org/article/31ebf72c0ab8437bb324b269594a59c4
Publikováno v:
Journal of Pure and Applied Chemistry Research, Vol 7, Iss 3, Pp 275-281 (2018)
Development of diazinon sensors using mixed membranes of nata de coco and Fe3O4 nanoparticles on the SPCE (screen printed carbon electrode) surface has been carried out potentiometrically. The design of the sensor begins with the optimization of Fe3O
Externí odkaz:
https://doaj.org/article/bc19ffa78c194fcaa49f6da0569ef902
Publikováno v:
Journal of Pure and Applied Chemistry Research, Vol 7, Iss 3, Pp 266-274 (2018)
Pb(ZrxTi1-x)O3 has extensive application in electronic components as a thin layer. The densification layer is controlled by some factor such as precursor composition and heating techniques. Therefore, it is necessary to get simply precursor synthesis
Externí odkaz:
https://doaj.org/article/bd06a022b8bd4bf893ce616d77247f1c