[Darkroom] Hello and looking for liquid bromine

Christian Rice clrice at gmail.com
Wed Jun 29 21:13:07 PDT 2011


That's freaking awesome.  I am in awe.


--christian

On Jun 29, 2011, at 21:04, Ben Rupert <meowdip at gmail.com> wrote:

> Christian- I'm a chemist at Lawrence Livermore National Lab.  I've been
> looking to get out of the national labs though and one option is to
> start my own lab.  I've picked up a few chemicals and some equipment
> here and there, mostly getting things cheap when start-ups have gone out
> of business.
> 
> Kelly- I'll start looking into what various chemical suppliers want in
> order to establish an account.  I can make the phone calls needed once
> I've figured out what they want to hear.  I would actually like to do
> chemistry demos at Noisebridge, so I'm not going to have to lie to them,
> just phrase things carefully.
> 
> Ben
> 
> 
> 
> On 06/29/2011 08:36 PM, Kelly wrote:
>> LET'S DO IT!!
>> 
>> I can think of plenty of ways we can work out noisebridge official
>> payments. Where do we sign up?
>> 
>> Kelly
>> 
>> On Jun 29, 2011 6:33 PM, "Ben Rupert" <meowdip at gmail.com
>> <mailto:meowdip at gmail.com>> wrote:
>>> 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>
>>>> <mailto: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>
>>>> <mailto: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>
>>>> <mailto: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>>
>>>>>> <mailto: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>>
>>>>>> <mailto: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>>
>>>> <mailto: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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>>>>>> 
>>>>>> 
>>>>>> 
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