Re: Glycerin questions

Hi,

It's been a while since the last chemistry class. How is glycerin used
in photography?

Cheers,
Bogdan

Don Bryant wrote:

> I am hoping someone might be able to answer a couple of questions about
> glycerin.
>
> 1) Is there an easy way to determine the presence of silver nitrate in a
> solution of glycerin?
>
> 2) How long is glycerin usable? I have a large bottle, sealed, and probably
> sold in the 1950s or 1960s. The glycerin is clear and not discolored.
>
> Thanks,
>
> Don Bryant
>
>
>
>
>

-- 
________________________________________________________________
   Bogdan Karasek
   Montral, Qubec            e-mail: bkarasek@videotron.ca
   Canada
                   "I photograph my reality"
__________________________________________________________________