[Darkroom] Hello and looking for liquid bromine
david pan
kaptures at gmail.com
Thu Jun 30 00:43:43 UTC 2011
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> 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> 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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