I have been using ammonium persulfate as my etchant. I now have
accumulated a quantity of used etchant.
Is there some way to neutralize the used etchant before I dispose of
it? For example, can I readily convert it into harmless ammonium
sulfate and copper sulfate?
accumulated a quantity of used etchant.
Is there some way to neutralize the used etchant before I dispose of
it? For example, can I readily convert it into harmless ammonium
sulfate and copper sulfate?