On Sun, 6 Dec 2009 06:45:22 am designer_craig wrote: > I am not sure if you mean Ammonium Peroxide or Ammonium Persulfate but I > had some quantity of the latter sitting around for 15 years and it all went > bad and would not etch anything when I tried to etch a board. Not sure > what it decomposed to but I suspect it reverted to Ammonium Sulphate. > > Craig BTW how toxic is this stuff (Ammonium Persulfate). The container had no warnings on it. I have some etchant with dissolved copper in it. Is it poisonous? What is the best way to dispose of it? -- Anthony Shipman Mamas don't let your babies als@... grow up to be outsourced.
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Ammonium Persulfate - poisonous?
2009-12-06 by Anthony Shipman