Loading [MathJax]/jax/output/HTML-CSS/jax.js

定量NMR中多种检出限评估方法的比较
陈雷,刘红兵,刘惠丽

Comparison of Different Approaches for Estimation of the Detection Limit of Quantitative NMR
Lei CHEN,Hong-bing LIU,Hui-li LIU
表3 不同采样次数下,信噪比回归曲线法中的拟合参数及计算出的检出限
Table 3 Fitting parameters and limits of detection calculated by the signal-to-noise ratio regression method with different numbers of scan
16 32 48 64 96 128
aSN 34.0846 50.1219 58.5726 63.4292 70.8545 89.1259
bSN 1.0401 1.5872 2.0016 2.3365 2.9585 3.3478
R2 0.9949 0.9953 0.9956 0.9961 0.9963 0.9964
Sy/xSN 5.6671 8.2389 10.1284 11.1132 13.5773 15.2679
XD/(μmol/L) 16.3 15.6 15.2 14.3 13.8 13.7