Re: mystery powder

On Sun, 11 May 2008 19:07:41 GMT, ebenZEROONE@[EMAIL PROTECTED]
 (Hactar)
wrote:

>In article <d0ae24ppifva7jo0501s01ktnm601k3dfi@[EMAIL PROTECTED]
>,
>Jim Shaffer  <jmshaffer@[EMAIL PROTECTED]
> wrote:
>> The orange color of the powder and the buildup of a pile of dark-green
>> reaction product that's much larger than the original pile of powder
>> are a dead giveaway for potassium dichromate.  Before the age of
>> safety paranoia, it was common to light a pile of the stuff in school
>> to simulate the evolution of a volcanic cinder cone.  The effect is
>> very lifelike and impressive.
>
>Cool.  Can it be put out with water?

Whoops!  I screwed up, it's ammonium dichromate, not potassium
dichromate.  But yes, it can be put out with water.