نتایج جستجو برای: palladium composite membrane

تعداد نتایج: 520160  

Journal: :Journal of Alloys and Compounds 2021

To develop advanced palladium based (Pd-based) electrocatalyst with high Pd-utilization, herein, a phosphated dealloyed cobalt composite (P-D-PdCo3/C composite) catalyst is fabricated via facile dealloying and phosphating process for investigating glycerol electrooxidation. As-prepared P-D-PdCo3/C characterized by many physical techniques, including X-ray diffraction, Transmission electron micr...

Journal: :Organic & biomolecular chemistry 2013
Hua Chen Weiying Lin Lin Yuan

A new NIR fluorescent probe, NIR-Pd, for palladium species was designed and synthesized, based on a HD NIR fluorophore and deprotection of aryl propargyl ethers by palladium. The probe NIR-Pd displayed either a large NIR fluorescence turn-on or ratiometric response to palladium with high sensitivity and selectivity. Additionally, the novel NIR probe can monitor palladium species in live HeLa ce...

2010

The problems in patch testing and relevance evaluation as well as the practical consequences are discussed for the most important groups of dental materials (DM). These include metal alloys: amalgam with a low allergy prevalence; palladium salts showing a high correlation with nickel allergy but a low one with metallic palladium or alloys; the widespread allergen nickel is most relevant when de...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2005
Minako Iwakuma Yoshinari Baba

2-Dodecylthiomethylpyridine (DTP) was newly synthesized to study its extraction properties for precious metals. DTP was a selective extractant for palladium(II) and gold(III) over base metals. The loading test for palladium(II) showed that one palladium ion reacted with one molecule of DTP. The extraction rate of palladium with DTP was measured using a Lewis-type transfer cell at 303 K. The ext...

2001
A. Cañas M. J. Ariza J. Benavente

Electrokinetic, structural and surface chemical characterizations of both active and porous sublayers of a composite (polyamide/polysulfone) reverse osmosis membrane were carried out by different techniques: (i) electrochemical impedance spectroscopy (EIS) allows both electrical and geometrical characterizations using equivalent circuits as models; (ii) surface chemical composition of the activ...

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