Thanks for all the reply s
I will look at the compositions
The easiest check would be for presence of aluminium followed
By phosphorous, ratios are a bit harder but definitely possible
Most tests are destructive but only a mili gram is required so that would be doable
I will start a new tread when I have work done,
I have just purchased a percussion punt gun and a blunderbuss so I have a lot to do in the study of these, all good problems though
Regards to all
Ken
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