[alt-photo] Re: Casein structure

[Marek Matusz]

Chris,
Is the red iron oxide unsuitable because it does ot mix well, or somehow reacts with casein making it unsensitive to dichromate? I am using watercolor (Daniel SMith) tubes. SO far a few pigments that I tried seem to be OK for a mix and use at once method. I have not done stock pigment solutions yet.
Marek
 
> From: zphoto at montana.net
> Date: Sun, 1 May 2011 19:52:19 -0400
> To: alt-photo-process-list at lists.altphotolist.org
> Subject: [alt-photo] Re: Casein structure
> 
> Marek,
> One more pigment bit the dust for a stock mix: red iron oxide, as Alberto predicted. However, it took another week or so longer than nickel azo yellow. So far all others are still usable since starting with casein testing end of Feb.
> Chris
> 
> Christina Z. Anderson
> christinaZanderson.com
> 
> On Apr 29, 2011, at 1:34 PM, Marek Matusz wrote:
> 
> > 
> > 
> > 
> > Casein fanatics
> > Found this nice picture of the alpha casein molecule.
> > http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=134288
> > 
> > All those beautiful amino acids forming a peptide molecule.
> > This casein chemistry is definitely going to be fun.
> > Marek 
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