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The Kodalk recipe seems odd????



 
 
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Old January 11th 09, 06:35 PM posted to rec.photo.darkroom
Richard Knoppow
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Posts: 751
Default The Kodalk recipe seems odd????


"Larry" wrote in message
...
Hello all,

I have a recipe for Kodalk: it calls for 0.692 grams of
borax and
0.145 grams of NaOH. Apparently it makes a one gram batch
of said
Kodalk. I added the numbers up and in total this recipe
makes only
0.837 grams of said Kodalk.

What's up? Am I missing one ingredient?

Thanks in advance

Larry Kriese



The amounts are correct. When mixed in water the result
is the equivalent of one gram of sodium tetraborate
tetrahydrate. Note that this is identical to the octahydrate
specified by Kodak due to a change in the way the hydration
is described. For more see:

http://silvergrain.com/labs/Metaborate


--
--
Richard Knoppow
Los Angeles, CA, USA



 




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