电感耦合等离子体发射光谱(ICP-OES)法测定锰矿石中五种氧化物
|
|
张鹏鹏, 徐冰旭, 胡梦颖, 徐进力, 刘彬, 张灵火, 白金峰
|
Determining five oxides in manganese ores using inductively coupled plasma-optical emission spectroscopy
|
|
ZHANG Peng-peng, XU Bing-xu, HU Meng-ying, Xu Jin-li, LIU Bin, ZHANG Ling-huo, BAI Jin-feng
|
|
表7 方法准确度
|
Table 7 Accuracy test of the method
|
|
| 氧化物 | 标准物质 | 认定值 /% | 测定值/% | 准确度 /% | 回收 率/% | | 本文方法 | 传统方法 | | Na2O | GBW07261 | 0.04 | 0.043 | 0.044 | 7.50 | | | GBW07262 | 0.05 | 0.054 | 0.054 | 8.00 | | | GBW07264 | 0.03 | 0.032 | 0.033 | 6.67 | | | GBW07265 | 0.02 | 0.021 | 0.020 | 5.00 | | | GBW07266 | 0.04 | 0.044 | 0.044 | 10.0 | | | 未知样品1 | | 0.78 | 0.78 | | 94.4 | | 未知样品2 | | 1.28 | 1.29 | | 103.1 | | 未知样品3 | | 1.08 | 1.07 | | 98.2 | | 未知样品4 | | 0.87 | 0.87 | | 93.2 | | 未知样品5 | | 0.61 | 0.62 | | 93.0 | | MgO | GBW07261 | 0.64 | 0.59 | 0.58 | -7.44 | | | GBW07262 | 1.44 | 1.48 | 1.48 | 3.08 | | | GBW07264 | 0.10 | 0.10 | 0.11 | 1.51 | | | GBW07265 | 3.50 | 3.58 | 3.58 | 2.34 | | | GBW07266 | 3.82 | 3.92 | 3.94 | 2.67 | | | 未知样品1 | | 5.35 | 5.36 | | 92.3 | | 未知样品2 | | 4.42 | 4.41 | | 96.2 | | 未知样品3 | | 5.09 | 5.06 | | 108.7 | | 未知样品4 | | 5.08 | 5.07 | | 100.3 | | 未知样品5 | | 5.50 | 5.03 | | 101.6 | | K2O | GBW07261 | 1.00 | 0.98 | 0.97 | -1.56 | | | GBW07262 | 0.46 | 0.45 | 0.43 | -1.25 | | | GBW07264 | 0.72 | 0.74 | 0.73 | 2.83 | | | GBW07265 | 0.46 | 0.45 | 0.44 | -0.26 | | | GBW07266 | 0.70 | 0.70 | 0.71 | 0.94 | | | 未知样品1 | | 1.73 | 1.72 | | 93.0 | | 未知样品2 | | 3.59 | 3.59 | | 93.7 | | 未知样品3 | | 2.67 | 2.65 | | 101.2 | | 未知样品4 | | 2.21 | 2.20 | | 94.1 | | 未知样品5 | | 1.24 | 1.24 | | 92.5 | | CaO | GBW07261 | 1.06 | 1.05 | 1.03 | -0.54 | | | GBW07262 | 3.60 | 3.44 | 3.42 | -4.38 | | | GBW07264 | 0.05 | 0.05 | 0.05 | -1.44 | | | GBW07265 | 14.7 | 13.9 | 13.8 | -5.00 | | | GBW07266 | 19.8 | 18.8 | 18.9 | -5.05 | | | 未知样品1 | | 17.76 | 17.75 | | 96.3 | | 未知样品2 | | 13.74 | 13.75 | | 96.1 | | 未知样品3 | | 15.93 | 15.94 | | 98.3 | | 未知样品4 | | 16.74 | 16.72 | | 110.0 | | 未知样品5 | | 19.26 | 19.24 | | 101.1 | | Al2O3 | GBW07261 | 2.20 | 2.22 | 2.21 | 1.12 | | | GBW07262 | 3.00 | 3.15 | 3.12 | 5.23 | | | GBW07264 | 8.97 | 8.27 | 8.24 | 7.79 | | | GBW07265 | 1.68 | 1.72 | 1.71 | 2.94 | | | GBW07266 | 2.49 | 2.63 | 2.61 | 5.97 | | | 未知样品1 | | 5.73 | 5.71 | | 98.2 | | 未知样品2 | | 9.54 | 9.52 | | 100.7 | | 未知样品3 | | 8.19 | 8.17 | | 96.4 | | 未知样品4 | | 7.02 | 7.01 | | 109.1 | | 未知样品5 | | 4.21 | 4.21 | | 101.5 |
|
|
|