[Darkroom] Hello and looking for liquid bromine
Ben Rupert
meowdip at gmail.com
Thu Jun 30 01:33:00 UTC 2011
I do have a few ML of bromine I can bring to noisebridge. It might take
me a few days to get it there though. Maybe even early next week.
Also, Kelly, I think we should be able to get the major chemical
supply houses to sell to us. They don't sell to individuals, but if I
call up and tell them that we're an educational non-profit planning a
bunch of science demos they will probably let us establish an account.
After that we can order anything that doesn't require a federal license
(drugs and explosives). We will have to have some official looking
payment method, but we can figure that out.
Ben
On 06/29/2011 05:43 PM, david pan wrote:
> duh, ooops. n00b error.
>
> /Kimberly Austin/ <http://www.kimberlyaustin.net/about.html>
>
>
>
> On Wed, Jun 29, 2011 at 5:42 PM, david pan <kaptures at gmail.com
> <mailto:kaptures at gmail.com>> wrote:
>
> 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
> <mailto: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
> <mailto: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>
> >> <mailto: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>
> >> <mailto: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>
> <mailto: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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