Re: salt in the lamp

["Das" <das@eagle-access.net>]

Mantles are a combination of a burnable organic fiber combined with a very
high temperature oxide such as rare earth in the form of a crocheted bag
which remarkably holds its shape and is remarkably durable considering how
delicate it is once it is ignited. 

Its light is by incandescence rather than the characteristic colors of
metal vapors. 

A. Das
Original Sources/Biomass Energy Foundation
Box 7137, Boulder, CO 80306
das@eagle-access.net

----------
> From: Carefreeland@aol.com
> To: stoves@crest.org
> Subject: Fwd: salt in the lamp
> Date: Monday, October 14, 2002 6:46 PM
> 
In a message dated 10/14/02 8:23:13 PM Eastern Daylight Time, Carefreeland 
writes:


> 
> Stovers, 
>        I know that chlorine in many salt compounds intensifies many
colored 
> flames in pyrotechnics. The common ones are strontium chloride for red 
> flames, barium chloride and copper chloride for green and blue, zink 
> chloride for blue-green, potassium chloride for a pink/purple, and sodium

> chloride for yellow. 
>        Potassium perchlorate is also used professionally, but may be 
> prohibitively more unstable. Potassium chlorate can also explode
violently 
> when mixed with many things like sulfur or charcoal, requiring only the 
> least friction or static for ignition- be careful and avoid experimenting

> with any of these compounds. These oxidents can be used with metal
flakes, 
> powders, and salts to intensify color imparted by the metal burning. 
>        I have a home made formula for a brilliant yellow flare which 
> utilised table salt with a form of black powder. I may have also used 
> sodium nitrate in it as well in many experiments.
>        I would think that a glowing oxide of magnesium, titanium, or 
> aluminum might yield a bright flame under certain conditions.  
>        Anybody know what the compound in a gas mantle is? Phosphorus? 
>        Dan Dimiduk 
>        

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