| Parameters |
Conc μg /ml |
Accuracy % |
RSD % |
RE % |
Short term
At 25°C, 24 hr |
0.5
1.5
2 |
108
110.6
96.5 |
2.3
1.16
7.7 |
7.8
10.6
-3.7 |
Long term
At -20°C, 30 days |
0.5
1.5
2 |
106
105.3
104 |
3
2.3
6.1 |
6.8
5.6
4 |
Three freeze-thaw cycles
Thawed at 25°C for 2 h, refrozen 24h |
0.5
1.5
2 |
94
106.6
98.5 |
1.8
0.75
8.9 |
-5.1
7.2
-1.7 |
|