掌握这些技巧,让你的盲样测定不再一筹莫展!
通标小菜鸟
峰面积 | 盲样原样-1 | 盲样原样-2 | RD/% | 平均值 | 标液-100ppm | 标液-100ppm | RD/% | 平均值 | (盲样/标液100ppm)% | 盲样估计浓度 |
甲苯 | 678.44 | 679.96 | 0.112 | 679.20 | 902.24 | 895.68 | 0.365 | 898.96 | 0.756 | 75.554 |
对二甲苯 | 716.77 | 715.35 | 0.099 | 716.06 | 945.96 | 934.66 | 0.601 | 940.31 | 0.762 | 76.151 |
间二甲苯 | 718.53 | 717.05 | 0.103 | 717.79 | 926.22 | 915.16 | 0.601 | 920.69 | 0.780 | 77.962 |
邻二甲苯 | 732.69 | 730.62 | 0.141 | 731.66 | 973.11 | 957.03 | 0.833 | 965.07 | 0.758 | 75.814 |
校准曲线方程 | 相关系数(γ) | |
苯 | Y=6.99108X+0.811041 | 0.9997 |
甲苯 | Y=7.37039X+0.598865 | 0.9997 |
对二甲苯 | Y=7.33938X+0.855353 | 0.9995 |
间二甲苯 | Y=7.16177X+0.890971 | 0.9995 |
邻二甲苯 | Y=7.45304X+0.804948 | 0.9994 |
/ | 仪器读数-1 | 仪器读数-2 | 仪器读数-3 | 盲样-1 | 盲样-2 | 盲样-3 | RD/% | 平均值 | RSD% |
苯 | 0.7866 | 0.7851 | 0.8060 | 78.66 | 78.510 | 80.600 | 1.2 | 79.3 | 1.5 |
甲苯 | 0.7808 | 0.7606 | 0.7660 | 78.08 | 76.060 | 76.600 | 1.0 | 76.9 | 1.4 |
对二甲苯 | 0.7743 | 0.7610 | 0.7698 | 77.43 | 76.100 | 76.980 | 0.7 | 76.8 | 0.9 |
间二甲苯 | 0.7938 | 0.7938 | 0.7979 | 79.38 | 79.380 | 79.790 | 0.2 | 79.5 | 0.3 |
邻二甲苯 | 0.7668 | 0.7718 | 0.7575 | 76.68 | 77.180 | 75.750 | 0.7 | 76.5 | 0.9 |
mg/L | 空白加标-1 | 空白加标-2 | 加标量 | 平均值 | 回收率 | RD% | / | / | / |
苯 | 1.054 | 1.058 | 1.000 | 1.056 | 106 | 0.2 | / | / | / |
甲苯 | 1.066 | 1.098 | 1.000 | 1.082 | 108 | 1.5 | / | / | / |
对二甲苯 | 1.073 | 1.103 | 1.000 | 1.088 | 109 | 1.4 | / | / | / |
间二甲苯 | 1.058 | 1.090 | 1.000 | 1.074 | 107 | 1.5 | / | / | / |
邻二甲苯 | 1.066 | 1.084 | 1.000 | 1.075 | 108 | 0.8 | / | / | / |