Sample records for ACIDOS HETEROPOLIOS (heteropoly acids)
from WorldWideScience.org

Sample records 1 - 5 shown.



1

PMo or PW heteropoly acids supported on MCM-41 silica nanoparticles: Characterisation and FT-IR study of the adsorption of 2-butanol

Carriazo, Daniel; Domingo, Concepción; Martín, Cristina; Rives, Vicente

12 pages, 13 figures.-- Printed version published on Aug 2008. | Mesoporous silica, prepared in basic conditions, has been loaded (20% weight) with 12-molybdophosphoric (PMo) or 12-tungstophosphoric (PW) acid and calcined at different temperatures ranging between 250 and 550°C. The samples have been...

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3

Membranas híbridas basadas en estireno-metacrilato-sílice y ácido fosfowolfrámico obtenidas por sol-gel para pilas de combustible de intercambio protónico (PEMFC) | Hybrid styrene-methacrylate-silica sol-gel membranes combining sulfonation and tungstophosphoric acid doping for PEMFC

Mosa Ruiz, Jadra; Durán Carrera, Alicia Amparo; Aparicio Ambrós, Mario

[ES] Comparadas con los motores de combustión interna, las pilas de combustible de intercambio de protones (PEMFC) son capaces de operar sin emisiones de agentes contaminantes. El aumento de la temperatura de operación de la pila de combustible por encima de 100ºC es uno de los grandes objetivos en ...

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