|
Combination
|
Proposed method
|
Comparison method [11]
|
|---|
|
Amount taken (ng/mL)
|
Amount found (ng/mL)
|
% Found
|
% Found
|
|---|
|
Column (A)
|
Column (B)
|
Column (A)
|
Column (B)
|
Column (A)
|
Column (B)
|
VPS
|
|---|
|
SFV/VPS mixture 4:1 (w/w)
|
1.0
|
2.5
|
0.989
|
2.495
|
98.93
|
99.78
|
101.45
|
|
2.0
|
3.5
|
1.899
|
3.412
|
94.99
|
97.50
|
100.47
|
|
3.0
|
5.0
|
2.947
|
4.913
|
98.22
|
98.26
|
99.12
|
|
4.0
|
7.5
|
3.933
|
7.356
|
98.34
|
98.09
| |
|
5.0
|
10.0
|
5.003
|
9.996
|
100.07
|
99.96
| |
|
Mean
| | | | |
98.11
|
98.72
|
100.35
|
|
± SD
| | | | |
1.89
|
1.09
|
1.17
|
|
t-test
| | | | |
− 1.82
|
1.99
|
(2.45)*
|
|
F-test
| | | | |
2.62 (19.24)*
|
1.15 (6.94)*
| |
- Each result is the average of three separate determinations
- * The figures between parentheses are the tabulated t and F values at P = 0.05 [17]
