I've prepared some zeolites and I would like to dessilicate them. What are the best reagents, concentrations and times to do that?

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Chada Raji Reddy

Sodium hydroxide reacts with silica to form sodium silicate, which is water soluble. So, you can try with 1M concentration of sodium hydroxide with diffrent time. Then filter the solution with water and wash with water to remove the formed sodium silicate. finally you will get desilicated material.

Mostafa Y Nassar

I agree with Chada Raji Reddy and I think it should work.

Eliezer Ladeia Gomes

Thank you colleagues!