美国leco、德国ELTRA钢中氧氮标准样品
| 钢中氧氮标样 | ||||
| Part No. | Leco No. | size | N | O |
| GE644 | 501-644 | 1 g | 157 PPM | 3 PPM |
| GE645 | 1 g | 60 PPM | 52 PPM | |
| GE646 | 1 g | 667 PPM | 53 PPM | |
| GE1647 | 1 g | 1807 PPM | 33 PPM | |
| GE1648 | 1 g | 61 PPM | 107 PPM | |
| GE1650 | 1 g | 102 PPM | 100 PPM | |
| GE1651 | 501-645 | 1 g | 0.0210% | 0.0057% |
| GE1652 | 1 g | 0.0530% | 0.0045% | |
| GE1653 | 1 g | 27 PPM | 12 PPM | |
| GE1656 | 1 g | 118 PPM | 244 PPM | |
| GE654 | 0.5 g | 534 PPM | 65 PPM | |
| GE655 | 502-016 | 0.5 g | 0.3930% | 0.0021% |
| 502-072 | ||||
| GE656 | 501-552 | 0.5 g | 0.0213% | 0.0081% |
| GE657 | 0.5 g | 89 PPM | 70 PPM | |
| GE659 | 0.5 g | 66 PPM | 120 PPM | |
| GE660 | 501-551 | 0.5 g | 0.0060% | 0.0045% |
| GE661 | 0.5 g | 167 PPM | 9 PPM | |
| GE662 | 0.5 g | 686 PPM | 28 PPM | |
| GE663 | 0.5 g | 0.1795% | 0.0042% | |
| GE668 | 0.5 g | 31 PPM | 14 PPM | |
| GE670 | 0.5 g | 123 PPM | 255 PPM | |
| GE675 | 0.5 g | 0.2480% | 0.0770% | |
| GE676 | 0.5 g | 1214 PPM | 329 PPM | |
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