Ho hum...
Which part of post #26 did you not understand?
Uranium oxide is nothing but processed uranium ore: i.e. it's dug out of the ground and then had the general crap that isn't uranium taken out of it.
It's no more "weapons grade" than iron oxide is a finished garden gate.
sure
but joseph is saying is that it was highly enriched uranium U235 , hence the gold lined cylinders