[sdiy] ammonium persulfate safety

[Paul Perry]

At 04:38 PM 12/01/04 -0600, Paul Higgins wrote:

>once told me.  That is, ammonium persulfate is not stuff you want to 
>keep bottled up in storage--it releases lots of O2 or something.  Does 
>this sound plausible?  Has anyone had any leaking/bursting bottles?

I've kept it in a vertical etching tank for a couple of months & it still
etched.
But yes, there were a number of (presumably) oxygen bubbles on the sides of
the tank.
So I think that it probably does decompose slowly.

paul perry (Melbourne Australia)