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either one is very soluble in water. I suggest you have another look at the MSDS's for both. Cupric Chloride has some additional considerations. As with most substances toxicity is a function of time and and amount. Both have documented effects worth considering.
C
On Jul 7, 2011, at 3:40 PM, Isabel Van Dyke wrote:
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
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>
> Hello all,
>
> I'm doing a magic-themed live science show and I want to make blue- or
> green-tinted fire for "dragon's flame." I'm planning to use cupric chloride
> or cupric sulfate. I have those two chemicals in solid form, but the MSDS
> informs me that neither one is flammable as a solid. Thus I need to get them
> in solution, probably in alcohol (though maybe water would work?).
>
> The tricky bit is that rather than sprinkling the copper on an open flame, I
> want to use it with a hydrogen balloon. I've exploded lots of those, so in
> and of themselves they aren't a problem, but I'm a bit wary of adding
> alcohol to the Hindenburg.
>
> Can anyone out there let me know the proportion of cupric chloride and/or
> cupric sulfate to alcohol (isopropyl? ethyl?), and any safety tips? I've
> seen this done before, so I know it's possible!
>
> Thanks,
> Isabel
> --
> Isabel Van Dyke
> Science Activities Coordinator
> ScienceWorks Hands-On Museum
> Ashland, OR
> [log in to unmask]
> 541 482 6767, ext. 218
>
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