[pure-silver] Re: Darkroom Chemistry... Question
- From: Bogdan Karasek <bkarasek@xxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Tue, 03 Mar 2015 12:22:50 -0500
Hello,
Thanks for the answer. I looked on ebay and there a chem distributor
not 10minutes from Montréal and I can get 2lbs of NaOH. I also found out
that LYE is NaOH. LYE used to be sold under the RED DEVIL label but no
longer. Is there any other label? What would be the best place for
finding LYE, pharmacy, supermarket, hardware store ????
I also found a small pill container in the back of my chem locker
containing NaOH which originally came in pellet form but about half of
it has turned to liquid. Is this still useable? If so, many ml of
the liquid NaOH to get the equivalent of 1.5g of pellets?
Thanks again.
Cheers,
Bogdan
On 03/03/2015 11:09 AM, Chauncey Walden wrote:
The question is how many grams of Sodium Tetraborate should I add to
get
the equivalent of 10 grams of Sodium Metaborate?
I Googled it and got this:
Only if you add Sodium Hydroxide as well. 10g Sodium Metaborate can
be substituted by 7g Borax (sodium Tetraborate) and 1.5g Sodium
Hydroxide, that's the recommendation from Kodak in a Databook for DK50
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