[Darkroom] Hello and looking for liquid bromine
david pan
kaptures at gmail.com
Thu Jun 30 00:42:30 UTC 2011
I really can't recall the photographer I am thinking of. It might be
Kimberly Austin, she mixes all her own emulsions by hand (for van dyke,
cyanotype, gum bichromate)... I just don't think it was her that I had met
a few years ago.
I also thought of the photo center in the east bay, is it Hayward? IIRC,
they do a lot of teaching there and had previously focused on film/darkroom
& alt-process developing. I think it is in a community center or some
similar site.
Well, without wanting to be an imposition here, I will wish you well on your
endeavors.
Cheers.
On Wed, Jun 29, 2011 at 5:11 PM, Kelly <hurtstotouchfire at gmail.com> wrote:
> Hey Ben, I was actually going to ping you about this anyway.
>
> Maybe it's not a good way to go for bromine in particular, but any
> idea if we can use our non-profit status to get better chem sources? I
> know we've discussed institutional suppliers in the past.
>
> -Kelly
>
> On Wed, Jun 29, 2011 at 07:07, Ben Rupert <meowdip at gmail.com> wrote:
> > I might have some liquid bromine, I'll check and get back to the list.
> > Also I didn't watch the video on electrolytic bromine generation, but I
> > have a power supply made for electroplating metals which should work for
> > oxidizing Br- to Br2.
> >
> > Ben
> >
> > On 06/29/2011 02:03 AM, david pan wrote:
> >> Hi,
> >>
> >> I have no experience with these things myself. I tend to work with
> >> safer, more 'boring' soup ingredients (wine, coffee, tea, etc) as my
> >> film developers.
> >>
> >> You may want to try asking in the photo department at CCSF. They have
> >> some very capable faculty. I also seem to remember a professional
> >> photographer in the east bay who did a lot of Van Dyke brown and
> >> cyanotype and other homemade process photography. I can't remember, I'd
> >> only met her once or twice. I think she lives in Orinda or Berkeley for
> >> some reason. I don't recall if she did dagguerotype too. If I can find
> >> her name, I'll let you know.
> >>
> >> Dunno if this helps at all. Cheers.
> >>
> >> David
> >>
> >> --------------------------------------------
> >>
> >> On Wed, Jun 29, 2011 at 1:47 AM, Christian Rice <clrice at gmail.com
> >> <mailto:clrice at gmail.com>> wrote:
> >>
> >> Another aspect of this procedure that seems like it wouldn't work
> >> for me is I don't want bromine water--I want to drip some liquid
> >> bromine onto a bed of silica gel crystals. The moisture from
> >> bromine water is not good for my fuming process.
> >>
> >> I think distillation might be the answer to that (as if I'd know);
> >> but it's a lot easier to talk about than for me to accomplish.
> >> Isolating bromine is not something one wants to mess up with...
> >>
> >> You seem to be confident with chemistry...where does that come from,
> >> if I may ask?
> >>
> >> Ok, I'm going cross eyed, thanks for the late night responses, I'll
> >> continue research when the sun rises.
> >>
> >> --christian
> >>
> >> On Jun 29, 2011, at 1:25, Jasmine Strong <
> jasmine at electronpusher.org
> >> <mailto:jasmine at electronpusher.org>> wrote:
> >>
> >> > ... yeah, he should have used chlorine bleach in place of hydrogen
> >> peroxide. It would have worked then.
> >> >
> >> > -J.
> >> >
> >> > On 29 Jun 2011, at 01:20, Christian Rice wrote:
> >> >
> >> >> Hmm, I watched that video, the procedure fails to isolate
> bromine...
> >> >>
> >> >> Back to the drawing board for me...
> >> >>
> >> >>
> >> >> --christian
> >> >>
> >> >> On Jun 29, 2011, at 0:48, Jasmine Strong
> >> <jasmine at electronpusher.org <mailto:jasmine at electronpusher.org>>
> wrote:
> >> >>
> >> >>>
> >> >>> On 29 Jun 2011, at 00:43, Jasmine Strong wrote:
> >> >>>
> >> >>>> On 29 Jun 2011, at 00:39, Christian Rice wrote:
> >> >>>>
> >> >>>>>
> >> >>>>> Hi there. I'm working with the mercury daguerreotype process
> >> and I'm in need of some Br2, the purer, the better, >99.x%. Water
> >> sanitizing stuff (pool/spa tablets and powders) won't do.
> >> >>>>
> >> >>>> You can make some by electrolyzing bromine solution sold for
> >> pool/spa use. In the quantities you need it's certainly not worth
> >> the expense of going through the hazmat training you'd need to have
> >> a commercial vendor sell you the stuff.
> >> >>>
> >> >>> http://www.youtube.com/watch?v=b9zB6_-vzSM
> >> >>>
> >> >>> Here's a process for extracting the stuff.
> >> >>>
> >> >>> -J.
> >> >
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