氮化铝中杂质元素铁钙硅含量测定ICP-OES法
电子分析天平,钢研纳克Plasma2000电感耦合等离子体发射光谱仪,电热板,马弗炉,高压反应釜消解罐,离心沉淀器。
推荐分析谱线
元素 | 谱线/nm | 元素 | 谱线/nm |
Si | 251.612,288.16 | Ca | 315.887,317.933 |
Fe | 259.940,238.204 | Y | 371.030,377.433 |
移取标液体积 | Fe | Si | Ca | Y |
原液浓度(ug/mL) | 1000 | 500 | 1000 | 1000 |
移取体积(mL) | 2 | 4 | 25 | 2 |
混合标液(ug/mL) | 20 | 20 | 250 | 20 |
移取体积mL | 元素 | Fe | Si | Ca | Y |
0 | 标准1(ug/mL) | 0 | 0 | 0 | 0 |
0.5 | 标准2(ug/mL) | 0.1000 | 0.1000 | 1.2500 | 0.1000 |
1.0 | 标准3(ug/mL) | 0.2000 | 0.2000 | 2.5000 | 0.2000 |
2.0 | 标准4(ug/mL) | 0.4000 | 0.4000 | 5.0000 | 0.4000 |
4.0 | 标准5(ug/mL) | 0.8000 | 0.8000 | 10.0000 | 0.8000 |
Fe248.815 | Si251.612 | Fe259.940 | Si288.158 | Ca315.887 | Ca393.366 | |
标准1 | -0.0074 | -0.0021 | -0.0209 | 0.0060 | -0.2961 | -0.0518 |
标准2 | 0.0992 | 0.0920 | 0.0983 | 0.0888 | 1.2285 | 1.2772 |
标准3 | 0.1979 | 0.1934 | 0.2118 | 0.1960 | 2.6511 | 2.5827 |
标准4 | 0.4192 | 0.4280 | 0.4271 | 0.4137 | 5.4031 | 4.9618 |
标准5 | 0.7910 | 0.7886 | 0.7837 | 0.7955 | 9.7633 | 8.8408 |
Fe248.815 | Si251.612 | Fe259.940 | Si288.158 | Ca315.887 | Ca393.366 | |
空白1 | 0 | 0 | 0 | 0 | 0 | 0 |
样品3 | 0.0007 | 0.0026 | - | 0.0026 | 0.0114 | 0.0110 |
样品4 | 0.0008 | 0.0030 | 0.0005 | 0.0030 | 0.0203 | 0.0195 |
Fe248.815 | Si251.612 | Fe259.940 | Si288.158 | Ca315.887 | Ca393.366 | |
空白2 | 0 | 0 | 0 | 0 | 0 | 0 |
样品5 | 0.0032 | 0.0057 | 0.0030 | 0.0054 | 0.0475 | 0.0441 |
样品6 | 0.0038 | 0.0054 | 0.0035 | 0.0052 | 0.0525 | 0.0513 |
加标回收率1 | 141.5% | 137.8% | 156.7% | 123.6% | 136.5% | 129.7% |
加标回收率2 | 124.8% | 132.9% | 124.8% | 118.4% | 105.2% | 98.1% |