Matrix Spiked with Vit D
3
standard
Method I
Method II
3
ng mL
-1
5
ng mL
-1
15
ng mL
-1
3
ng mL
-1
5
ng mL
-1
15
ng mL
-1
% Recovery
68.87
78.74
69.91
75.18
81.49
87.43
% RSD
3.16
9.30
0.77
4.22
3.81
2.78
SE
0.004
0.035
0.189
0.007
0.012
0.746
Table 2:
Recovery analysis of vitamin D
3
.
