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#19
May 29th 06, 09:54 AM
posted to rec.radio.amateur.homebrew
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Home PCB (Was: Dead Bug)
Dave Platt wrote: In article .com, Leon wrote: I just flush it down the toilet. I think that ferric chloride is used for water treatment and I can't see the small amount of copper doing any harm by the time it has been diluted millions of times. It's only a litre ot so every six months - it's negligible. By the time you dump it in this way, you aren't dumping pure ferric chloride by any means! You're dumping a residual amount of ferric chloride, plus a bunch of copper chloride. Small quantities are acceptable, here in the UK. Leon |
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