S.s. Metwally

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Questions related from S.s. Metwally

What are the values of wavenumber for silica in FT-IR spectrum?

Silica (SiO2) has different absorption bands (stretching, bending, symmetric and asymmetric vibrations) in FT-IR spectrum, what are the values of wavenumber (cm^-1) for these absorption bands?

23 August 2019 6,756 7 View

The chemisorption process is obtained when the value of activation energy is greater than 20 KJ/mol, Is there a reference show that?

The value of activation energy, Ea, that obtained from Arrhenius equation, determines the type of sorption process, whether chemisorption or physical adsorption. If the value of Ea greater than...

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Does the Energy-dispersive X-ray spectroscopy (EDX) provide the chemical composition of the material as metals or metals oxide?

Does the Energy-dispersive X-ray spectroscopy (EDX or EDS) provide the chemical composition of the material as metal or metal oxide? i.e the results obtained from the EDX are in percent for metal...

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