On 06/14/2010 12:34 PM, James wrote:
>
>> I can't make the H2O2 produce HCl, but it's been a while.
>>
>> :)
>>
>> Hence, my assumption that sooner or later, you're gonna need to dump the
>> stuff and start over.
>>
>>
>>
>
>
> HCl is consumed, you don't need to dump the stuff and start over, you simply add a bit more HCl and you're on your way again. I've etched a lot of boards and haven't had to add any yet though.
>
>
OK, that works. But, you just can't keep on adding HCl and I rather
suspect that eventually, you decant some of the stuff and get rid of it,
else given enough boards you'd be swimming in it. Er, maybe not
literally :)
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