From: "Christina Z. Anderson" <zphoto@montana.net>
Subject: Re: lith printing formula
Date: Thu, 22 Jun 2006 11:41:26 -0600
> The recipe calls for powdered paraformaldehyde...a chemist on the
> list may know if it would be OK to substitute a 40% formalin
> solution for the 1000ml water in Part B of the formula...that would
> make it easier! But I don't know if a formalin 40% solution
> contains paraformaldehyde.
Once dissolved in the solution, they do the same thing. It's just that
paraformaldehyde is nonvolatile/nonirritating while handling and so
it's more convenient, but if you are used to handle formaldehyde
solution, you can certainly use it.
Received on 06/22/06-12:52:54 PM Z
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