Re: clearing dichromate stain
- To: alt-photo-process-l@usask.ca
- Subject: Re: clearing dichromate stain
- From: Richard Knoppow <dickburk@ix.netcom.com>
- Date: Thu, 11 Jan 2007 12:46:01 -0800
- Comments: "alt-photo-process mailing list"
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- Reply-to: Richard Knoppow <dickburk@ix.netcom.com>
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----- Original Message -----
From: "Judy Seigel" <jseigel@panix.com>
To: "Alt, List" <alt-photo-process-l@usask.ca>
Sent: Thursday, January 11, 2007 11:58 AM
Subject: Re: clearing dichromate stain
I'm disappointed that Katharine hasn't yet explained who
said "It's OK to eat dichromate," since I hope to be first
to fly out on my broomstick (waving my bonnet) to
excoriate that fiend. However, as I enjoy Chris's current
reports from (mecca?), I have a couple of comments to
add...
For one, I wonder about all this hooha about
dichromate/pigment stain. I have a theory in fact, which I
will reveal soon. Meanwhile,
FWIW see the MSDS at:
http://www.jtbaker.com/msds/englishhtml/p5719.htm
And at:
https://fscimage.fishersci.com/msds/19370.htm
I have no idea if dichromate was used as a food additive
in the past. Its possible because many hazardous substances
were.
---
Richard Knoppow
Los Angeles, CA, USA
dickburk@ix.netcom.com