Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Igor Crețescu"'
Autor:
Ali Dawood Salman, Tatjána Juzsakova, Saja Mohsen, Thamer Adnan Abdullah, Phuoc-Cuong Le, Viktor Sebestyen, Brindusa Sluser, Igor Cretescu
Publikováno v:
Materials, Vol 15, Iss 7, p 2376 (2022)
The recovery of scandium (Sc) from wastes and various resources using solvent extraction (SX) was discussed in detail. Moreover, the metallurgical extractive procedures for Sc recovery were presented. Acidic and neutral organophosphorus (OPCs) extrac
Externí odkaz:
https://doaj.org/article/59c0918a88294615b5f1e2b06b068305
Autor:
Paul-Cristinel Verestiuc, Igor Cretescu, Oana-Maria Tucaliuc, Iuliana-Gabriela Breaban, Gheorghe Nemtoi
Publikováno v:
Journal of Electrochemical Science and Engineering, Vol 4, Iss 4, Pp 177-186 (2014)
This article presents some results concerning the electrochemical detection of mercury in different aqueous solutions, using the following electrodes: platinum-disk electrode (PDE), carbon paste electrode (CPE) and glass carbon electrode (GCE). Using
Externí odkaz:
https://doaj.org/article/98c57f72b18b4a3d9f6e2c1587c72dfa
Autor:
Mihaela Dana Tutulea-Anastasiu, Deivy Wilson, Manel del Valle, Cristina Mihaela Schreiner, Igor Cretescu
Publikováno v:
Sensors, Vol 13, Iss 4, Pp 4367-4377 (2013)
All-solid-state sensors with polyvinyl chloride (PVC)-based membranes using off-the-shelf N-hydroxysuccinimide (NHS) and succinimide (Succ) ionophores were prepared using DOP (dioctyl phthalate) and NPOE (ortho-nitrophenyloctyl ether) as plasticizers
Externí odkaz:
https://doaj.org/article/57dfa39fa7d54908bcfa3809542b9688
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 12, Iss 4, Pp 307-322 (2011)
The present paper approaches the study of the adsorption of an acid dye on a commercial granular activated carbon (GAC). Batch experiments were conducted to study the equilibrium isotherms and kinetics of Indigo Carmine on GAC. The kinetic data were
Externí odkaz:
https://doaj.org/article/97d214e246914b3282c7b0b80ea14c75
Publikováno v:
International Journal of Photoenergy, Vol 2012 (2012)
The effect of different heterogeneous and homogeneous photocatalytic systems on the oxidative degradation of mepiquat chloride in aqueous solutions was investigated. In the case of heterogeneous reactions, the influence of five factors was studied: t
Externí odkaz:
https://doaj.org/article/f7ba8e6376e44822b3cd9a86ce3293d7
Autor:
Doina Lutic, Cristina Coromelci-Pastravanu, Igor Cretescu, Ioannis Poulios, Catalina-Daniela Stan
Publikováno v:
International Journal of Photoenergy, Vol 2012 (2012)
The photocatalytic activity of zinc oxide, prepared by precipitation followed by calcination, was tested using rhodamine 6G as a rebel organic compound. The experiments were planned in order to allow an optimization procedure, by investigating the ef
Externí odkaz:
https://doaj.org/article/3d7f3b6f451a4eadb397dea0666c68cf
Autor:
Vasilica Popescu, Alexandra Cristina Blaga, Melinda Pruneanu, Irina Niculina Cristian, Marius Pîslaru, Andrei Popescu, Vlad Rotaru, Igor Crețescu, Dan Cașcaval
Publikováno v:
Polymers, Vol 13, Iss 22, p 3867 (2021)
The beetroot peels can be a sustainable source of betalains that can dye the wool materials through green processes based on low water and energy consumption. Green chemistry in the extraction of betalains from colored food waste/peels from red beetr
Externí odkaz:
https://doaj.org/article/e282a026494a460ab5af4e296e39f676
Autor:
Marius Pîslaru, Vlad Rotaru, Dan Cașcaval, Melinda Pruneanu, Igor Crețescu, Irina Niculina Cristian, Andrei C. Popescu, Alexandra Cristina Blaga, Vasilica Popescu
Publikováno v:
Polymers
Volume 13
Issue 22
Polymers, Vol 13, Iss 3867, p 3867 (2021)
Volume 13
Issue 22
Polymers, Vol 13, Iss 3867, p 3867 (2021)
The beetroot peels can be a sustainable source of betalains that can dye the wool materials through green processes based on low water and energy consumption. Green chemistry in the extraction of betalains from colored food waste/peels from red beetr
Autor:
Muslim Hasan Allawi, Riyadh Sadeq ALMukhtar, Shurooq Talib Al-Humairi, Ali Dawood Salman, Tatjána Juzsakova, Viktor Sebestyén, Igor Cretescu
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 18, Iss 2, Pp 28-34 (2023)
The degradation of diisopropyl methylphosphonate (DIMP) in aqueous solutions was studied using ultrasound irradiation with a fixed frequency of 26.2 kHz, following the first-order kinetic model. The study's primary goal was to determine the influence
Externí odkaz:
https://doaj.org/article/d103cf5c98db4fea9c7cd5d3b817597b
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