| Code | <sup>144</sup>Sm／<sup>149</sup>Sm isotopic abundance ratio | <sup>147</sup>Sm／<sup>149</sup>Sm isotopic abundance ratio | <sup>148</sup>Sm／<sup>149</sup>Sm isotopic abundance ratio | |||
|---|---|---|---|---|---|---|
| Value | Certified Uncertainty | Value | Certified Uncertainty | Value | Certified Uncertainty | |
| GBW04601 | 0.20322 | 0.00005 | 0.97836 | 0.00022 | 0.73342 | 0.00017 |
| GBW04602 | 0.106121 | 0.000032 | 0.99360 | 0.00023 | 0.38915 | 0.00009 |
| GBW04603 | 0.053373 | 0.000020 | 1.00190 | 0.00023 | 0.20268 | 0.00005 |
| GBW04604 | 0.022003 | 0.000013 | 1.00677 | 0.00023 | 0.091609 | 0.000028 |
| GBW04605 | 0.011014 | 0.000010 | 1.00824 | 0.00023 | 0.052539 | 0.000020 |
| GBW04606 | 0.006107 | 0.000009 | 1.00908 | 0.00023 | 0.035147 | 0.000016 |
| GBW04607 | 0.002895 | 0.000009 | 1.00946 | 0.00023 | 0.023796 | 0.000013 |
| GBW04608 | 0.001857 | 0.000008 | 1.00984 | 0.00023 | 0.020140 | 0.000012 |
| GBW04609 | 0.001294 | 0.000008 | 1.00969 | 0.00023 | 0.018168 | 0.000012 |
| GBW04610 | 0.000999 | 0.000008 | 1.01005 | 0.00023 | 0.01706l | 0.000012 |
| GBW04611 | 0.22767 | 0.00006 | 1.09193 | 0.00025 | 0.81551 | 0.00019 |
