[Darkroom] Hello and looking for liquid bromine

[Ben Rupert]

Hey everyone, sorry I disappeared recently.  Been a rough couple weeks.
 Hopefully I can get back to this soon, I haven't forgotten about it.  I
see that there are some chemicals on the wiki, it's a good start and we
should be able to order everything people have asked for.  We can add
more as well or go with what's there.
  Also Christian, I believe that you offered to do a Daguerreotype demo
sometime this fall.  I would be quite interested.

Ben

On 07/06/2011 01:27 PM, Kelly wrote:
> Your wishlist goes here:
> https://www.noisebridge.net/wiki/Darkroom/Chemical_Purchasing
> 
> Everyone who wants to order chems should add some so that Ben can
> assemble a reasonable first shopping list. We need to also have
> "educational" uses for them.
> 
> -Kelly
> 
> On Wed, Jul 6, 2011 at 11:49, Ben Rupert <meowdip at gmail.com> wrote:
>> I did make it to Noisebridge and the bromine is on the shelf with other
>> chemicals above the developing table/sink.  I'm on my phone now so don't
>> want to type a lot but will respond to the other questions and comments
>> tonight.
>>
>> Ben
>>
>> On Jul 6, 2011 11:45 AM, "Christian Rice" <clrice at gmail.com> wrote:
>>> Ben, a few questions for you:
>>>
>>> - Is there anything you need from me to facilitate the opening of an
>>> account, any initial order requirement? If so, I will supply $$ for some
>>> sturdy containment vessels and more bromine.
>>>
>>> - did you happen to make it by Noisebridge on Tuesday?
>>>
>>> - chemical ordering: when I look at liquid bromine, the published qty
>>> measurement tends to vacillate between mg and ml. There tends to be 99.5%
>>> ACS (mg), 99.8% (mg) and 99.998% (metals basis, ml). The pricing and
>>> packaging of the lower two (looking at Alfa's website) vary oddly, and it
>>> seems the middle ground is the best price point (item #00905, 250mg or
>>> 1kg),
>>> by far. Can you shed any light on what's going on?
>>>
>>> - what kind of cap would you recommend on a glass bottle of this
>>> stuff--PTFE, teflon-lined, or something else?
>>>
>>> Sorry to pester, my particular needs may not fall entirely in line with
>>> the
>>> normal darkroom activities. But then again, it would be my pleasure to do
>>> a
>>> Daguerreotype demonstration at Noisebridge in the fall, if there was
>>> interest. It might go well coupled with other chemistry demos, as so much
>>> of the process deals with basic elements (copper, silver, gold, iodine,
>>> bromine, mercury). In fact, it would be really awesome to have a chemist's
>>> commentary to augment my largely practical understanding of the process.
>>> Could make a neat educational video...
>>>
>>> By the way, I do have a fairly large amount of Hg--maybe more than I'll
>>> use
>>> in my lifetime. The longer I've had my feelers out for such chemicals, the
>>> more people come out of the woodwork with their old carburetor sync kits
>>> they want to get rid of. One guy gave me a couple pounds in a single
>>> jar...
>>>
>>> On Fri, Jul 1, 2011 at 5:19 PM, Ben Rupert <meowdip at gmail.com> wrote:
>>>
>>>> Hit reply rather than reply all, see below:
>>>>
>>>> On 07/01/2011 05:09 PM, Ben Rupert wrote:
>>>>> I'll be over to noisebridge during the day on Tuesday. I'll bring the
>>>>> bromine then and leave it in the darkroom and well labelled. I'm not
>>>>> sure if we would have to have some sort of paperwork that we don't have
>>>>> to buy the mercury when we do want more, but I think everything else
>>>>> would be fine.
>>>>> As for web pages to look through for chemicals, try these:
>>>>> http://www.sigmaaldrich.com/united-states.html
>>>>> http://www.fishersci.com/ecomm/servlet/home?storeId=10652
>>>>> http://www.alfa-chemcat.com/en/gh100w.pgm
>>>>> http://www.acros.com/
>>>>>
>>>>> I'm not going to try to set up accounts at all of these places, but
>>>>> let's get together some lists of things we want and then figure out one
>>>>> or two to order from.
>>>>>
>>>>> Ben
>>>>>
>>>>> PS. we will probably need some paperwork proving we are an educational
>>>>> non-profit. This exists, correct?
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>>
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