Alex,

Shipley have a process which I believe works by first precipitating out of
the solution tin oxide and then electrochemically extracting the lead. This
can be done on site rather than returning the stripper to the manufacturer.

David Whalley
Loughborough University

At 05:08 PM 7/28/99 +0800, you wrote:
>    Hi all :       I have a question. I use  Sn/Pb stripper during process.
>I need to recycle Sn/Pb from old Sn/Pb stripper.  Do anybody know this
>method / process about this ? Or how do you dispose these  old solder
>stripper ?        Thanks .   Alex Liao

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