N Cook wrote:

In the following picture
http://home.graffiti.net/diverse:gra...net/solder.jpg
without any further treatment after removing from the boards,
one has been desoldered from a lead-free soldered board and the other from a
leaded-solder board. Particularly looking at the top pin of each capacitor
would anyone care to comment?

You asked before.

I'm not clear what it's supposed to show. It's not as clear as it could be for
one thing.

Graham