Analyte
Initial % recovery
6 h
12 h
% recovery
D
a
% recovery
D
a
NBL
99.98
98.56
0.01
97.82
0.02
VST
99.95
98.63
0.01
98.01
0.02
D
a
Percent difference calculated by the difference between two values divided by the average of the two values
Table 2:
Results of solution stability.