[Darkroom] Hello and looking for liquid bromine

Ben Rupert meowdip at gmail.com
Thu Jun 30 07:40:24 PDT 2011


I started reading some of the major chemical supply house's new account
procedures.  I think we can do it, but we should have a list of
chemicals that we want to order ready.  We won't have to order them all
right away, I'll just need to tell them some of the sorts of things we
will be ordering and what kinds of things we'll do with them.  Obviously
photography related chemicals will be a big part of this.  Once we
establish the account, however, we will be able to order anything that's
legal for us to have at Noisebridge.  So anyway, it would be helpful to
send me a list of chemicals that you all would want and I'll add some
myself.

Ben

On 06/29/2011 09:13 PM, Christian Rice wrote:
> 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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