"N_Cook" wrote in message
...
Just checked a day later and the SnPb boiled in vinegar for 20 seconds
plus
potassium iodide shows a slight yellow colour compared to the PbF sample.
What other non-license source of a strong acid other than car battery
acid?
drain cleaner is clobbered by elfin safety these days.



Put some hydrogen peroxide in the HAc and it will go after the lead pronto.

Tom