[pure-silver] Re: Sodium Hydroxide = Red Devil Lye

Some plumbing supply shops carry a product called 'Green Blaster' drain
opener made by Whitlam that I'm pretty sure is NaOH, but not a high degree
of puruity.

---Harry
>> 
>> This is a bit off the wall but I'm taking a chance that somebody in
>> our august and diversified group might be of help.
>> 
>> The only large supplier of photograde chemicals in Canada is a 15
>> minute ride from my place. In my order I needed Sodium Hydroxide to
>> make a particular solution of Sepia Toner. She informed this afternoon
>> that she doesn't carry it anymore because of the very low demand.  I
>> was the first person in year who asked for it.  So I substituted
>> Potassium Hydroxide at the ratio of 10:14 by weight.
>> 
>> Now the question?  Anchell in the "Darkroom Cookbook" suggests that a
>> substitute for Sodium Hydroxide is RED DEVIL Lye.  This is  an
>> American label (I'm Canadian) and several people I have spoken to have
>> never heard of it.  My wife told me that her mother used to use LIONS
>> Lye to flush out the drains but I don't know if it is a substitute for
>> RED DEVIL; I don't know if it can even be bought anymore.
>> 
>> Would anybody, perchance, on the off chance, trivial pursuit question,
>> ...... have an idea of a Canadian substitute for RED DEVIL Lye to
>> replace the Sodium Hydroxide?????
>> 
>> Pleeeeeese.......
>> 
>> It's nice to be able to lug home a 5 Kg container of Sodium Thiosulphate
>> 
>> Cheers :)
>> 
>> Bogdan
>> 
>> 
>> ________________________________________________________________
>> Bogdan Karasek
>> Montréal, Québec                     bogdan@xxxxxxxxxxxxxxx
>> Canada                               www.bogdanphoto.com
>> 
>> "I bear witness"
>> ________________________________________________________________
>> 
>> 
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