Martin Phillips wrote: > In message <[EMAIL PROTECTED]>, Tony Brooks > <[EMAIL PROTECTED]> writes >> >> What we really need now is a chemist to tell us a simple test to >> differentiate between zinc, aluminium and magnesium. > > Sorry, you'll have to make do with a physicist. The PD between the > surface of the anode and the steel of the hull should tell you the > identity of the metal well enough to identify the gross composition. > If I had a table of electronegativities handy I might be able to help > more. Perhaps an electrochemist will turn up.... >
Agreed - Chemist no good here. We would take a chunk of it and dissolve it to analyse. I would think the best non destructive method would be XRF. Ron Jones Process Safety & Development Specialist Don't repeat history, unreported chemical lab/plant near misses at http://www.crhf.org.uk Only two things are certain: The universe and human stupidity; and I'm not certain about the universe. ~ Albert Einstein
