Which part of "weighing of the resultant gold, and, where...

Which part of "weighing of the resultant gold, and, where obtained, silver and palladium buttons." don't you understand?


"All tests utilise basic fire-assay principles involving fusion of a 25g sample with a specific flux and collector metal, cupellation of the resultant collector button to form a precious metal prill, subsequent parting of the prill and weighing of the resultant gold, and, where obtained, silver and palladium buttons."