نتایج جستجو برای: palladium nanoparticle

تعداد نتایج: 43029  

Palladium is an element of PGM group that has significant physical properties. This leads to more attention to this metal. Due to vast applications of palladium in industry and its usage in jewelry, its price plays an important role in economic. Therefore, forecasting its price is crucial subject in economic and engineering design. This paper proposes the model GM(1,1) to predict the Palladium ...

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...

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...

Journal: :European Journal of Organic Chemistry 2022

Abstract Carbon nanotubes have been covalently functionalized with catechol moieties through the formation of corresponding aryl radicals obtained by reacting 4‐aminocatechol isoamyl nitrite. The multiwalled carbon in turn used to immobilize Pd(II) ions on its surface forming catechol‐Pd complexes, which were reduced Pd nanoparticles (NPs). so‐obtained hybrid material has characterized means th...

2015

We report the environmental benign route in the synthesis of palladium nanoparticles using the aqueous leaf broth of Acalypha indica L. In this protocol, the biomolecules present in the leaf broth, reduced palladium ions into palladium nanoparticles and these biomolecules also acted as capping and stabilizing agents. The colour change in the reaction medium from pale yellow to dark brown during...

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