Zobrazeno 1 - 10
of 80
pro vyhledávání: '"Ani Mulyasuryani"'
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 2, Pp 143-148 (2022)
Chitosan is an abundant natural polymer, which able to adsorb Pb2+. However, chitosan has the drawback of being unstable in acid and alkaline conditions, so it needs cross-linking. In this article, we will compare the usage of two crosslinkers, gluta
Externí odkaz:
https://doaj.org/article/7b4ffffd521f480b927e8327b4500d62
Publikováno v:
Indonesian Journal of Chemical Analysis, Vol 6, Iss 1 (2023)
Polymer additive’s function is to improve film quality, including slip additives which function as film surface lubricants. Slip additives affect the physical characteristics of the film as indicated by the coefficient of friction and optical prope
Externí odkaz:
https://doaj.org/article/5601921781e04de2aa990eda2ed24ab1
Publikováno v:
Molekul, Vol 16, Iss 3, Pp 184-191 (2021)
Arrowroot starch membrane-modified glassy carbon electrode were constructed for the determination of uric acid. The membrane consist of arrowroot starch, polyvinyl alcohol, uric acid, and crosslinker. The crosslinker used was sodium tripolyphosphate,
Externí odkaz:
https://doaj.org/article/580961a172544f68bf38b20188bcff8c
Publikováno v:
Molekul, Vol 16, Iss 2, Pp 156-162 (2021)
A new tube type Pb2+ sensor made from two types of mixtures, namely clay-PbI2 and chitosan-PbI2 were prepared. An electromotive force (EMF) with Ag/AgCl as the reference electrode was used as the output signal. The highest performance of the Pb2+ sen
Externí odkaz:
https://doaj.org/article/746703b306e24c2998180ea2f0dc8ab1
Autor:
Ani Mulyasuryani, Yuniar Ponco Prananto, Qonitah Fardiyah, Hanandayu Widwiastuti, Darjito Darjito
Publikováno v:
Polymers, Vol 15, Iss 8, p 1818 (2023)
Molecularly Imprinted Polymers (MIPs) have specific recognition capabilities and have been widely used for electrochemical sensors with high selectivity. In this study, an electrochemical sensor was developed for the determination of p-aminophenol (p
Externí odkaz:
https://doaj.org/article/51700eb1840b4caa8def868fc89d1718
Publikováno v:
Journal of Pure and Applied Chemistry Research, Vol 8, Iss 2, Pp 162-169 (2019)
The development of Diazinon sensor has been studied using polyvinyl alcohol (PVA-CuO membrane on the surface of the screen-printed carbon electrode (SPCE) as a receptor. The membrane used consisted of polyvinyl alcohol (PVA) 5% (w/v), citric acid 5%
Externí odkaz:
https://doaj.org/article/b6b5d3cd4a0944c2ad8011667ec619e6
Publikováno v:
Journal of Pure and Applied Chemistry Research, Vol 8, Iss 1, Pp 53-61 (2019)
Hydroquinone is one of the phenolic compounds used in various cosmetic products for skin lightening as it can inhibit tyrosinase enzyme in producing melanin. However, hydroquinone is classified as a toxic compound, therefore, several countries such a
Externí odkaz:
https://doaj.org/article/dd265b7ef9964e88a8232fb38d38567e
Publikováno v:
Journal of Pure and Applied Chemistry Research, Vol 8, Iss 1, Pp 31-39 (2019)
Development of a chemical sensor to detect chlorpyrifos has been carried out using a molecularly imprinted polymer (MIP) polyvinyl alcohol (PVA)-Fe3O4 as a membrane receptor. The MIP-Fe3O4 receptor is composed of polyvinyl alcohol (PVA) polymer, glut
Externí odkaz:
https://doaj.org/article/dd837e6db71a49758731a5849faa1919
Publikováno v:
Jurnal Fisika Flux, Vol 1, Iss 1, Pp 61-64 (2019)
Penelitian tentang penentuan formalin menggunakan metode potensiometri dan spektrofotometri telah dilakukan. Tujuan dari penelitian ini adalah untuk membandingkan hasil pengukuran kadar formalin antara metode potensiometri menggunakan sensor berbasis
Externí odkaz:
https://doaj.org/article/7c26925935a04928ad67e7c28a937c9e