[Alt-photo] Dichromate Poisoning

Larry Ogrodnek ogrodnek at gmail.com
Fri Oct 27 19:19:25 UTC 2017


Hi Jim,

I'm interested to learn more about these alternative sensitizers -- do you
have any text/links/reference you could send on their use?


thanks!
larry

On Thu, Oct 26, 2017 at 10:42 AM, Jim Patterson via Alt-photo-process-list <
alt-photo-process-list at lists.altphotolist.org> wrote:

> Hi All,
> Being an occupational physician I am aware of the risks of Chromium VI.
> On the certification exams they always have questions on chrome holes,
> perforated nasal septum, and nasopharyngeal and sinus cancer.
>
> I have been a student of Chris and she preaches safe handling and personal
> protective equipment.
>
> In the past 2 yrs I have been experimenting with alternate Sensitizers and
> colloids.  The most promising at the moment are Cerium IV Ammonium Sulfate
> and Eosin Y.
>
> Both of these harden gum Arabic, gelatin, fish glue, cellulose gum, PVP
> and others.  I am not saying they are better than GB, but are alternatives.
>
> Jim Patterson, New Orleans
>
> Sent from my iPhone
>
> > On Oct 26, 2017, at 2:12 AM, Charles Berger via Alt-photo-process-list <
> alt-photo-process-list at lists.altphotolist.org> wrote:
> >
> > My post was prompted by the declaration of a highly regarded arts
> > educator/author that if/when dichromate was restricted here, as it is in
> > the EU, she had a sufficient supply for her and her students to continue
> > using it indefinitely.
> >
> > This cavalier attitude towards the use of dichromate for the sake of
> > photographic printmaking is ill advised as it implies that the dangers
> are
> > not to be taken seriously.
> >
> > Responses ranged (with a few exceptions) from the abusive (and idiotic)
> > advise not to “lick the top of Cherry wood table” to a non-sequitur
> > description of the installation of seat belts in a 1956 Oldsmobile.
> >
> > The point I was making is that there is little discussion of dichromate
> > poisoning and a lack of detailed information (beyond “wear gloves”) on
> its
> > safe use in the current literature on alternative photo processes.
> Perhaps
> > Marton was correct when he wrote about “The Dichromate Disease” in The
> *Photo
> > Oleograph Process*(1900) that “Rich living and alcoholic stimulants, seem
> > to foster this peculiar ailment”,  and thus all we need to do is avoid
> such
> > behaviors to safely work with dichromate.
> >
> > Why are so many of you upset about discussing this? And why do you feel
> > compelled to defend this lack of concern and to dismiss any in-depth
> > information on the subject as “scare tactics?”
> >
> > Full disclosure:  I have recently been exploring with Chris the creation
> of
> > a book (or series of books) describing non-toxic alternatives to historic
> > photographic printmaking. Her statement caught me completely by
> surprise. I
> > am confident that Chris is truly concerned with the health and safety of
> us
> > all, but this dismissive attitude is unfortunate.
> >
> > Charles
> > _______________________________________________
> > Alt-photo-process-list | altphotolist.org
>
> _______________________________________________
> Alt-photo-process-list | altphotolist.org
>


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