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Des anyone have any contacts who can assay metals?
I've got a batch of brazing rods, and they're wonderful for stainless steel. Problem is I got them from a mate who's clearing out the stores at a secondary school, they came in a very ratty cardboard tube with a typewritten label from a company that's been out of business for 50 years, so I have no idea what they are!
Possibly a crazy idea, but was thinking if I knew what the alloy was I could have a new batch made up.
An assay office only AFAIK.
EDIT time to dust off the passport.
http://www.edinburghassayoffice.co.uk
Interesting, cheers - though it has been pointed out to me that the secret ingredient may well be cadmium, which would be a bummer.
Here's your man.
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Cadmium a bummer - illegal? Fumes lethal?
Indeed - I think I'll put this stuff to one side until I can get it tested for cadmium. Also got about half a kilo of silver solder, it may well have the same problem.
Only used one rod of the stuff as a test.