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D1 stars smellings eggs


yvariro

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Hi all!

,today i was making a 3.5" peony shell (spider to yankies flashings stars ) and i got the idea to put some crushed D1 stars in the break charge for getting à Glittering center,so i crushed approximately 5grams of stars and prime them,they were very wet,and i put a hot air blower for dry them more quickly,10min later I came back and à strong eggs odor was present i my garage,and due to the D1,

 

So my questions are,why did it happen? Maybe the air was too hot ? This is dangerous to stock them and put (the 5gr crushed batch)them in my shells ? Did it already happened to someone ?

 

Yvariro

 

 

 

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I'm not 100% sure, but as you mentioned it being very wet, I can imagine that it had something to do with the moisture content, and quite possibly the hot air drying. When you removed the heat did the smell begin to lessen?
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I have the same with my N1 stars when dry with warm air.

It is the large amount of sulfur and aluminum. It smells a lot like fart or rotten eggs. :D

But with your stars, everything should be fine.

 

VP

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You just experienced the infamous nitrate/aluminum reaction. When there is enough sulfur around, it turns into hydrogen sulfide preferentially over nitrate turning into ammonia. It was probably the heat that caused it, though glitter compositions with basic ingredients like bicarbonate are more prone to this reaction.

 

The stars are probably ruined, and you should dispose of them.

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Why?

I had this phenomenon already with my N1 stars.

But that still functioned very well.

Or is there a security risk by?

 

Thank you

 

VP

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How likely is it that the hot air being used to dry it, if not caused but increased the likelihood of this runaway reaction?
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When I removed the hot air,the stars no longer smelled,too bad for the stars but it's just 5 gramms :D.

Next time I will use alcohol !

Anyways,i put them in my shells (I've tested one before and the Glittering effectue luckily worked),there is no danger ?

 

Thanks guys for your answers

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Hot temperatures accelerate reactions. It's just easier to make run-away when hotter.

 

My experience is that if you can noticeably smell the reaction happening, it's generally too late and the effect will be ruined. There is probably a time frame on that thogh. It sounds like you caught it early enough. The stars, as long as they're dry, wont be dangerous or anything. Just possibly less functional or attractive.

 

Dextrin isn't activated by alcohol, so that wont be a good choice of solvent. Most of the alcohol activated binders also tend to kill the effect. You might just want to let them dry naturally next time instead.

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