Milling barium chlorate?

[Potassiumchlorate]

Could it be dangerous? 95% of it passes a 125µm/120 mesh sieve, but I'd like to see how much milling for about an hour improves the burn rate with shellac.

[50AE]

Of course not, it's an oxidizer. Make sure your drum is chlorate only and mill it.

[asilentbob]

Is the drum rubber coated? Does the rubber have sulfur in it?

 

Make sure not to inhale any of it.

[Potassiumchlorate]

It's made completely of rubber. There was never sulfur in it.

[Peret]

Ah, there's a reason they call it "rubbermaker's sulfur". Sulfur is used to crosslink the polymer bonds in the process called vulcanization, which turns the rubber from a soft sticky paste into a hard molded component. Not all rubber is hardened with sulfur, just most of it, and I have no idea if there's any unreacted residue that might give you trouble with chlorates.

[Potassiumchlorate]

I know that by Berthollet's disastrous attempt to make chlorate based gunpowder back in the 18th Century they actually milled potassium chlorate with sulfur several times, before the mill exploded.

 

I think it's very unlikely that the tiny amount of sulfur in the rubber could cause anything, but I'd like to be at least 99.9999999% sure, hence my asking.

 

It comes to mind: I have already milled potassium chlorate in the drum once.

Edited February 5, 2012 by Potassiumchlorate