[Darkroom] Hello and looking for liquid bromine
meowdip at gmail.com
Wed Jun 29 14:07:10 UTC 2011
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.
On 06/29/2011 02:03 AM, david pan wrote:
> 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.
> 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.
> 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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