表4 低合金钢国家标准方法中重复性值、再现性值比较
Table 4 Comparative of repeatability and reproducibility value of low-alloy steel national standard methods
元素 | 含量/% | XRFr | SS-OESr | ICP-OESr | GD-OESr | XRFR | SS-OESR | ICP-OESR | GD-OESR |
Si | 0.10 | 0.0066 | 0.0063 | 0.0035 | 0.0054 | 0.0128 | 0.0121 | 0.0108 | 0.0264 |
Mn | 0.10 | 0.0044 | 0.0046 | 0.0059 | 0.0037 | 0.0184 | 0.0153 | 0.0217 | 0.0184 |
P | 0.010 | 0.0009 | 0.0011 | 0.0011 | 0.0006 | 0.0022 | 0.0020 | 0.0092 | 0.0031 |
Cr | 0.10 | 0.0041 | 0.0092 | 0.0046 | 0.0022 | 0.0115 | 0.0135 | 0.0099 | 0.0174 |
Ni | 0.10 | 0.0043 | 0.0062 | 0.0030 | 0.0024 | 0.0117 | 0.0118 | 0.0086 | 0.0170 |
Cu | 0.10 | 0.0039 | 0.0069 | 0.0038 | 0.0033 | 0.0093 | 0.0093 | 0.0095 | 0.0170 |
V | 0.10 | 0.0042 | 0.0041 | 0.0036 | 0.00381 | 0.0128 | 0.0090 | 0.0084 | 0.0161 |
Ti | 0.10 | 0.0050 | 0.0059 | 0.0048 | 0.0055 | 0.0104 | 0.0110 | 0.0168 | 0.0174 |
Al | 0.10 | 0.0070 | 0.0053 | 0.0042 | 0.0031 | 0.0137 | 0.0104 | 0.0148 | 0.0220 |
Mo | 0.10 | 0.0040 | 0.0057 | 0.0050 | 0.0028 | 0.0090 | 0.0069 | 0.0143 | 0.0147 |