Matrix Spiked with Vit D3 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 D3.