Skip to main content
. 2021 Jul 5;11(38):23627–23630. doi: 10.1039/d1ra03472c

Determination of qNMR absolute content of aldosterone 1 from S1.

Aldosterone source Analyte weighed (mg) ISTD weighed (mg) qNMR absolute content (%) Standard deviation
S1 (experiment 1) 3.9082 1.9430 93.91
S1 (experiment 2) 4.8432 2.5879 93.56
S1 (experiment 3) 2.5978 1.3418 93.93
Average value (n = 3) 93.80 0.2044