From: clay (wcharmon@wt.net)
Date: 01/15/02-10:09:40 AM Z
Ran across this last night while looking for something else. It discusses
diazo compounds. Sounds like it's a very high contrast sensitizer. The
reference is in the middle of the page. Here is the link:
http://mailer.fsu.edu/~rficht/School_materials/AltphotoWWW/Altphoto_notes.ht
ml
----------
>From: Katharine Thayer <kthayer@pacifier.com>
>To: alt-photo-process-l@skyway.usask.ca
>Subject: Re: dichromate toxicity and remediation
>Date: Tue, Jan 15, 2002, 1:45 AM
>
>BobWicks@aol.com wrote:
>>
>> Dave:
>> Diazo salts is the most recent application to replace bichromate that I have
>> heard of. I do think the light sensitivity is slower. It is currently being
>> used in the silk screen industry and it reacts in the same manner that
>> bichromates do on amino acid chains.
>
>
> I was looking up the reference information on Kosar for someone and
>noticed that Kosar has a chapter on diazo compounds. I didn't have time
>to read the chapter, but in a quick skim it looks like the mechanisms
>for diazo compounds are quite different from the mechanisms for
>dichromated colloids.
>jt
>
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