[Boatanchors] Lets try a different capacitor question.

[rrkrr]

Potassium cyanide!  I hope this wasn't used in practice.  I've never 
thought of having to wear a respirator while trying to resurrect old 
electrolytic caps....

Bob K4ERR


Chuck McGregor wrote:
> Gerry-
> Drake's Cyclopedia of Radio and Electronics (1932) has an article on 
> electrolytic caps.  They list the following electrolytes for aluminum 
> electrolytics, with their breakdown voltages:
> Borax (Sodium Tetraborate)      480volts
> Ammonium Citrate                470volts
> Ammonium Phosphate              460volts
> Sodium Silicate                 445volts
> Ammonium Bicarbonate            425 volts
> Potassium cyanide               295 volts (I don't think I'd try this 
> one)
> Ammonium chromate               122volts
> Potassium permanganate          112 volts
> Sodium sulphate                 40 volts
>
> The article cites "Electrochemical and Metallurgical Industry"  (a 
> periodical ??) as the source for this list and mentions the importance 
> of pure water for the solutions.
>
> I'll scan the article and email it to you.
>
> 73,
> Chuck N7RHU
>
>
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