Figure 5
From: Chromium removal from aqueous solution by a PEI-silica nanocomposite

Cr adsorption isotherm of pure nanosilica and PEI-silica nanoparticle under pH 2, 3 and 4 and its fitting with the Langmuir adsorption model.
From: Chromium removal from aqueous solution by a PEI-silica nanocomposite
Cr adsorption isotherm of pure nanosilica and PEI-silica nanoparticle under pH 2, 3 and 4 and its fitting with the Langmuir adsorption model.