Homebrew PCBs

--- pebo festus <mebo31@...> wrote:
> thanks Adam, one can get water glass at most drug
> stores, readily available. i guess i am just going
> to
> have to run some tests. thanks again
> mebo
> 
> 
> --- Adam Seychell <adam_seychell@...>
> wrote:
> they make silica gel crystals by mixing a solution
of > water glass and sulfuric acid to form colloidal 
SiO2, then its dried somehow.

In a lab setting, the collodial is collected on filter
paper using a vacum (Most of the h20 is removed in
this step) and then dryed in an oven to produce to
achieve the anhydrous form.


Best 

Marvin Dickens


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