~~. 
H, Wurtz on Sodium Amalgamation. 221 
amalgam, plates or surfaces of tron instead of copper. The 
power of coating or enfilming iron renders the amalgams in fact 
to a minimum or altogether faa 5 
of panning by hand ; a little magnetic quicksilver being thrown 
in . : : 
fi 
rations, even upon the pay-dirt of placer diggings, 
ati ) 
. Much labor, gold, and time may in this way be saved. 
th i fi 
_ the liability of the adhesion of some abraded particles of iron 
: The following plan is therefore recommended 
im these cases: The amalgam, after separation from the excess 
of quicksilver, and before retorting, is fused in an earthen dish 
or iron ladle (with addition of a little quicksilver, if necessary, — 
“17 at . 
to make it more fluid), and the iron, which will rise and forma = 
