元素 | 线性回归方程 | 相关系数 |
52Cr | Y=12548.098*X+12251.651 | R2=0.9997 |
63Cu | Y=16172.152*X-17836.902 | R2=0.9999 |
75As | Y=1361.281*X+924.489 | R2=1.0000 |
114Cd | Y=18003.921*X+237.052 | R2=1.0000 |
202Hg | Y=15806.802*X+486.252 | R2=0.9996 |
208Pb | Y=120034.241*X+175826.930 | R2=0.9995 |
次数 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
52Cr | 1730.13 | 1792.36 | 1702.34 | 1711.24 | 1700.13 | 1655.12 | 1640.12 | 1783.47 | 1691.79 | 1586.78 | 1840.14 |
63Cu | 3316.01 | 3342.69 | 3251.55 | 3240.43 | 3222.65 | 3567.19 | 3323.79 | 3235.44 | 3212.10 | 3347.14 | 3370.47 |
75As | 751.14 | 665.58 | 642.24 | 595.57 | 586.68 | 603.35 | 578.35 | 528.35 | 565.01 | 595.02 | 611.69 |
114Cd | 127.78 | 142.22 | 136.67 | 142.22 | 135.56 | 128.33 | 93.33 | 145.00 | 148.33 | 115.00 | 145.00 |
202Hg | 654.69 | 609.35 | 567.35 | 523.35 | 551.35 | 483.34 | 491.34 | 488.68 | 483.34 | 507.35 | 448.01 |
208Pb | 13123.62 | 12619.78 | 12516.32 | 12665.36 | 12688.73 | 12598.09 | 12850.01 | 12623.09 | 12306.11 | 12187.67 | 12431.25 |
元素 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 平均值 | RSD% | |||||
52Cr | 107.6 | 105.2 | 118.3 | 119.9 | 117.2 | 106.2 | 108.3 | 111.8 | 5.7 | |||||
63Cu | 54.1 | 53.1 | 46.2 | 47.3 | 46.2 | 53.1 | 54.0 | 50.6 | 7.5 | |||||
75As | 12.6 | 12.5 | 12.3 | 12.6 | 12.3 | 12.8 | 13.0 | 12.6 | 2.0 | |||||
114Cd | 0.73 | 0.72 | 0.64 | 0.67 | 0.64 | 0.73 | 0.73 | 0.69 | 6.2 | |||||
202Hg | 0.13 | 0.13 | 0.13 | 0.13 | 0.12 | 0.12 | 0.12 | 0.13 | 4.1 | |||||
208Pb | 27.5 | 27.4 | 24.2 | 24.4 | 23.9 | 28.2 | 28.4 | 26.3 | 7.7 |
|
|
|
|
|
元素 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 平均值 | RSD% |
52Cr | 49.3964 | 49.6265 | 49.0062 | 49.5134 | 49.1138 | 49.0177 | 49.7452 | 49.4 | 0.61 |
63Cu | 97.3080 | 100.8904 | 98.0055 | 98.1518 | 98.2166 | 97.3063 | 97.8542 | 98.2 | 1.2 |
75As | 49.4581 | 49.4820 | 50.4825 | 49.6254 | 49.5415 | 49.7628 | 50.2938 | 49.8 | 0.83 |
114Cd | 2.0087 | 2.0090 | 1.9795 | 1.9963 | 1.9828 | 2.0395 | 2.0180 | 2.0 | 1.0 |
202Hg | 0.4862 | 0.4954 | 0.4813 | 0.4918 | 0.4942 | 0.4929 | 0.4884 | 0.49 | 1.0 |
208Pb | 52.1968 | 52.9429 | 52.0290 | 52.6179 | 51.7516 | 53.4749 | 53.1157 | 52.6 | 1.2 |
元素 | 分析人员 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | RSD% |
52Cr | A | 107.6 | 105.2 | 118.3 | 119.9 | 117.2 | 106.2 | 108.3 | 5.8 |
B | 105.8 | 104.9 | 117.9 | 121.5 | 116.8 | 106.3 | 105.6 | ||
63Cu | A | 54.1 | 53.1 | 46.2 | 47.3 | 46.2 | 53.1 | 54.0 | 6.9 |
B | 53.5 | 52.6 | 46.5 | 47.8 | 45.6 | 53.1 | 52.1 | ||
75As | A | 12.6 | 12.5 | 12.3 | 12.6 | 12.3 | 12.8 | 13.0 | 1.9 |
B | 12.7 | 12.6 | 12.7 | 13.0 | 12.4 | 12.9 | 12.9 | ||
114Cd | A | 0.73 | 0.72 | 0.64 | 0.67 | 0.64 | 0.73 | 0.73 | 6.6 |
B | 0.70 | 0.68 | 0.61 | 0.63 | 0.60 | 0.70 | 0.69 | ||
202Hg | A | 0.13 | 0.13 | 0.13 | 0.13 | 0.12 | 0.12 | 0.12 | 3.9 |
B | 0.13 | 0.13 | 0.12 | 0.12 | 0.12 | 0.12 | 0.13 | ||
208Pb | A | 27.5 | 27.4 | 24.2 | 24.4 | 23.9 | 28.2 | 28.4 | 7.6 |
B | 28.2 | 27.8 | 24.5 | 25.1 | 24.4 | 29.3 | 29.0 |
标准物质 | 元素 | 标准值mg/kg | 实测值mg/kg | 平均值mg/kg | 相对标准偏差RSD/% |
四川盆地土壤GBW07428(GSS-14) | Cr | 70±3 | 69.52 | 68.1 | 1.4 |
66.83 | |||||
67.33 | |||||
67.95 | |||||
67.61 | |||||
68.85 | |||||
68.60 | |||||
Cu | 27.4±1.1 | 26.67 | 26.3 | 1.3 | |
25.92 | |||||
25.94 | |||||
25.96 | |||||
26.11 | |||||
26.51 | |||||
26.68 | |||||
As | 6.5±1.3 | 7.00 | 7.0 | 2.0 | |
7.16 | |||||
7.09 | |||||
7.05 | |||||
6.86 | |||||
6.84 | |||||
6.79 | |||||
Cd | 0.20±0.02 | 0.216 | 0.22 | 1.1 | |
0.218 | |||||
0.217 | |||||
0.221 | |||||
0.219 | |||||
0.215 | |||||
0.214 | |||||
Hg | 0.089±0.004 | 0.0859 | 0.089 | 2.8 | |
0.0899 | |||||
0.0885 | |||||
0.0927 | |||||
0.0868 | |||||
0.0866 | |||||
0.0902 | |||||
Pb | 31±1 | 32.41 | 31.7 | 1.4 | |
32.03 | |||||
31.54 | |||||
31.52 | |||||
31.73 | |||||
31.85 | |||||
30.97 |