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Re: Coffee as paper developer

To: alt-photo-process-l@sask.usask.ca
Subject: Re: Coffee as paper developer
From: Wayde Allen <wallen@boulder.nist.gov>
Date: Mon, 06 Mar 2000 15:47:50 -0700 (MST)
Comments: "alt-photo-process mailing list"
In-reply-to: <200003062227.XAA30679@mail.dom.de>
Reply-to: alt-photo-process-l@sask.usask.ca

On Mon, 6 Mar 2000, ira bartell wrote:

> How do you get this to be photoreactive?

You increase the pH.  Add baking soda and/or NaOH.


- Wayde
  (wallen@boulder.nist.gov)

References:
- Re: Coffee as paper developer
  - From: ira bartell <bartell@dom.de>

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