Results 1 to 10 of about 869,825 (142)

Selective Removal of Cs+ From Contaminated Water Using Silicon Bead/Potassium Copper Ferrocyanide Composites in Fixed-Bed Column

He huaxue yu fangshe huaxue, 2023
By using a column elution method, potassium copper ferrocyanide(Cu-PBA) was in situ loaded on silicon bead(SiO2) column packing, thereby yielding a SiO2/Cu-PBA fixed bed column. The characterizations of SiO2/Cu-PBA by SEM-EDS, FTIR, XRD and N2 adsorption-
TANG Xiao-yi, ZHANG Zhi-hui, SUN Jian, WANG Bai-rong, LI Zi-jie, WANG Hong-qing, SHI Wei-qun   +6 more
doaj   +3 more sources

REMOVAL OF CESIUM IONS BY NATURAL CLINOPTILOLITE AND COMPOSITE ADSORBENT FROM HIGH-SALT SOLU-TIONS

Геохімія техногенезу, 2021
The development of effective adsorbents for the selective removal of radionuclides from contaminated waters is a topical issue, the solution of which is necessary to reduce the amount of hazardous liquid radioactive waste and to improve safety of the ...
Yu. Bondar, S. Kuzenko
doaj   +1 more source

CuO-catalyzed conversion of arylacetic acids into aromatic nitriles with K4Fe(CN)6 as the nitrogen source

Catalysis Communications, 2021
Readily available CuO was demonstrated to be effective as the catalyst for the conversion of arylacetic acids to aromatic nitriles with non-toxic and inexpensive K4Fe(CN)6 as the nitrogen source via the complete cleavage of the CN triple bond.
Ai-Ping Xing, Zhenpeng Shen, Zhe Zhao, Xinzhe Tian, Yun-Lai Ren   +4 more
doaj   +1 more source

NOVEL COMPOSITE ADSORBENT BASED ON ION EXCHANGE RESIN WITH FERROCYANIDE PHASE FOR SELECTIVE REMOVAL OF CESIUM RADIONUCLIDES

Геохімія техногенезу, 2020
The development of sorption technologies for the removal, separation, and concentration of radionuclides is an actual problem. In this respect the development of modern fabrication approaches of efficient adsorbents become especially relevant nowadays ...
Bondar Yu., Kuzenko S., Slyvinsky V.
doaj   +1 more source

Efficient Enzyme-Free Biomimetic Sensors for Natural Phenol Detection

Molecules, 2016
The development of sensors and biosensors based on copper enzymes and/or copper oxides for phenol sensing is disclosed in this work. The electrochemical properties were studied by cyclic and differential pulse voltammetry using standard solutions of ...
Luane Ferreira Garcia, Aparecido Ribeiro Souza, Germán Sanz Lobón, Wallans Torres Pio dos Santos, Morgana Fernandes Alecrim, Mariângela Fontes Santiago, Rafael Luque Álvarez de Sotomayor, Eric de Souza Gil   +7 more
doaj   +1 more source

APPLICATION OF COMPOSITE FIBERS WITH THE FERROCYANIDE K-CU LAYER FOR SELECTIVE REMOVAL OF 137CS FROM MULTICOMPONENT SOLUTION

Геохімія техногенезу, 2019
The development of selective adsorbents for liquid radioactive waste amount reduction is an actual problem. Composite adsorbents with the active ferrocyanide phase are of particular interest for 137Cs removal from contaminated waters.
Bondar Yu., Kuzenko S., Slyvinsky V.
doaj   +1 more source

Voltammetric Determination of 5-Amino-6-nitroquinoline at a Carbon Fiber Rod Electrode

International Journal of Electrochemical Science, 2011
Inexpensive carbon fiber rod electrodes (CFRE) in three diameters of 0.8 mm, 2 mm and 3 mm were used for voltammetric determination of 5-amino-6-nitroquinoline (5A6NQ) based either on its anodic oxidation or cathodic reduction using direct current ...
Lenka Nemcova, Hana Dejmkova, Jiri Barek, Jiri Zima   +3 more
doaj   +1 more source

Determination of Lactose Concentration in Milk Serum by Refractometry and Polarimetry

Scientific Papers Animal Science and Biotechnologies, 2023
The research had in view to evaluate and compare two instrumental techniques used for the determination of milk lactose. Refractometric and polarimetric measurements were carried out on milk serum obtained after precipitation of casein by two different ...
Rodica Caprita, Adrian Caprita, Iuliana Cretescu   +2 more
doaj  

P-EcStat: A Versatile Design of Photoelectrochemical and Electrochemical Sensing System with Smartphone Interface via Bluetooth Low Energy

Applied Sciences
Electrochemical and photoelectrochemical sensors are a rapidly developing field in analytical chemistry. However, commercial systems often lack versatility and affordability, hindering wider adoption.
Anh Hao Huynh Vo, Viet Cuong Tran, Trung Tin Tran, Thien Trang Nguyen, Anh Duong Nguyen, My Hoa Huynh Tran, Trung Nghia Tran   +6 more
doaj   +1 more source

Rapid, low-cost determination of Hg2+, Cu2+, and Fe3+ using a cellulose paper-based sensor and UV–vis method with silver nanoparticles synthesized with S. mammosum

Sensing and Bio-Sensing Research
As water effluents are often highly contaminated with metals, having a quick and cost-effective method of analysis is crucial. This study used the supernatant derived from the green synthesis of silver nanoparticles (AgNPs) with Solanum mammosum to ...
Fernanda Pilaquinga, Jeroni Morey, Paulino Duel, Gabriela S. Yánez-Jácome, Esthefanía Chuisaca-Londa, Karen Guzmán, Jazel Caiza, Melanny Tapia, Alexis Debut, Karla Vizuete, María de las Nieves Piña   +10 more
doaj   +1 more source