How to calculate specific surface area of nanoparticles?

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Randi Azmi

Yes, I agree with Sir Alan.

You can measure Brunauer–Emmett–Teller (BET). BET explains the physical adsorption of gas molecules on a solid surface and serves as the basis for an important analysis technique for the measurement of the specific surface area of np.

Best!

Bakhtyar K. Aziz

The standard method for calculating SSA is N2 adsorption by gas adsorption analyzer using BET isotherm at a relative pressure (P/Po) between 0.05 - 0.3 .

Gomaa A. M. Ali

Using BET method (N2 adsorption, desorption technique)

The following papers calculated many other important parameters for the nancomposites from BET data

Article Cobalt/silica nanocomposite via thermal calcination-reductio...

Article Humidity sensing properties of cobalt oxide/silica nanocompo...

Article Structural, optical and electrical properties of sol–gel pre...