铑0.0000001%、铱0.0000001%、钌0.0000001%、锇0.00000015%、金0.0000005%、铂0.0000005%、铋0.00000085%、钯0.0000015%、银0.0000075%、汞0.0000085%、镉0.000015%、锑0.00002%、铟0.000025%、铥0.000052%、镥0.00008%、铊0.000085%、铽0.00012%、钼0.00012%、钬0.00013%、钨0.00013%、锗0.00015%、铕0.0002%、钽0.0002%、锡0.00023%、铀0.00027%、铍0.00028%、铯0.0003%、铪0.0003%、镱0.00032%、铒0.00035%、镝0.00052%、钆0.000705%、钐0.000705%……