Questions tagged [adsorption]
The adhesion of atoms, ions, or molecules from a gas, liquid, or dissolved solid to a surface.
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How to determine Langmuir adsorption isotherm constants and use the models
I am doing some adsorption tests on bio materials and would like to test the data with Langmuir and Freundlich adsorption isotherm models. Assume these values:
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Kinetics of interstellar chemistry: Applying steady state to formation of H₂
I am trying to solve problem 2 from the 2009 International Chemistry Olympiad (IChO), which is as follows:
If two atoms collide in interstellar space the energy of the resulting molecule is so ...
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How does activated carbon bind the adsorbate?
I read some articles and journals about activated carbon and found a problem about how the adsorbate could bind to the activated carbon. Some said it is because of intramolecular forces (van der Waals)...
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Why is Cyclodextrin cavity hydrophobic?
Actually this is going to be a list of interconnected questions. Please bear with me.
Wikipedia article on cyclodextrin (CD) says that it is hydrophobic from inside.
(1) How is it hydrophobic when ...
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Thin Layer Chromatography & Stationary Phase
There are two types of stationary phases used in thin layer chromatography. One stationary phase is made of aluminium oxide. Which of the following molecules would be expected to have the smallest $...
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Any references for adsorption of ions to metal surfaces?
I'm specifically interested in ions that would adsorb to gold surfaces, however I would be incredibly appreciative if someone could direct me to a textbook reference or something more expansive, that ...
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Spices are absorbed or adsorbed in food?
When we cook food, we add several spices and condiments which enhance color, taste and smell. Are these spices and condiments just adsorbed on the food particles? Or are they absorbed? For example ...
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What makes charcoal a good adsorbent to organic and non polar substances while alumina and silica are best for polar substances?
My question is, what makes charcoal a good adsorbent to organic and non polar substances while alumina and silica are best for polar substances?
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Why is Charcoal such an excellent adsorbent?
Charcoal (also activated charcoal) is known to adsorb a huge variety of substances including a variety of paints, dyes and many different kinds of ions. Moreover, the amount of adsorption at normal ...
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Soil-solution cations in competition for exchange sites
How could one determine the likelihood of one cation displacing another on a negatively charged exchange site of a clay particle?
For example, in a soil solution containing equal parts (by number of ...
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