How to dissolve silica gel to determine lead content in it on icons ?
Is dissolution in HF only way?
What are the non HF way of dissolving silica gel ?
this paper can help you
Article Adsorption behavior of lead onto a new class of functionaliz...
Dear Pranav Bakre, similar question on RG has been already discussed years ago. Please check the link below. My Regards
https://www.researchgate.net/post/Can_anyone_suggest_a_technique_to_dissolve_silica_gel_and_re-solidify_it_with_some_biosorbent_particles_trapped_inside
Dear Pranav Bakre, though ignoring conditions under which you are working, I would suggest you to use piranha solution, since it is not mentionned in the the link included in my previous answer, but I strongly advise you to be carefull in manipulating it, it is extremely agressive. Piranha is a mixture of H2SO4 and H2O2, simple search will give you the relative proportions of each. There is another suggestion I will add once I find the name of its inventor. My Regards
Dear Pranav Bakre, if it is a surface adsorbed lead, flame Atomic Absorption spectroscopy is the best alternative to dissolution by agressive chemicals. See the free to download document link below. My Regards
https://www.researchgate.net/publication/324017997_Determination_of_Lead_by_Flame_Atomic_Absorption_Spectrometry_after_Pre-concentration_using_Silica_Gel_Coated_with_Schiff%27s_Bases
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