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Save your silver! It's better used for jewelry than as a catalyst for drugs. Rice University scientists have developed a greatly simplified method to make fluoroketones, precursors for drug design and manufacture that typically require a silver catalyst. Rice chemist Julian West and graduate student more
Unlike secondary batteries that need to be recharged, fuel cells are a type of eco-friendly power generation systems that produce electricity directly from electrochemical reactions using hydrogen as fuel and oxygen as oxidant. There are various types of fuel cells, differing in operating temperatur more
A Chinese-German research cooperation involving the University of Augsburg has demonstrated properties in a metal that cannot be explained by the standard theory. The results were obtained on a special metallic compound with unusual magnetic characteristics – scientists call it mag-netic frustration more
This graphic looks at the elements known as the lanthanides – the ones stranded at the bottom of the periodic table, along with the actinides. For a group of elements that doesn’t really get much attention in chemistry teaching until at least undergraduate level, their applications are remarkably wi more
The stabilizing effect of the tris(tert-butoxy)silyoxy ligand on cerium(IV) is revealed by electrochemical and computation methods as well as targeted redox chemistry. Ceric homoleptic complex Ce[OSi(OtBu)3]4 was obtained by the reaction of [Et4N]2[CeCl6] with NaOSi(OtBu)3 at ambient temperature in more
Uniform Ba0.18Ce0.82F2.82 nanospheres have been obtained after aging at 120 ºC for 20 hours a solution of barium and cerium nitrates and sodium tetrafluoroborate in a mixture of ethylene glycol and water. The spheres diameter could be tailored from 65 nm to 80 nm by varying the NaBF4 concentration w more
Amorphous cerium oxalate precipitation is here characterized and reported for the first time as a primary nucleating transient precursor for a more stable crystalline hydrated phase, at high supersaturations and in strong acid solutions. Preliminary results point out an initial binodal phase separat more
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