Research Article

Characterization and Uncertainty Assessment of a Certified Reference Material of Chloramphenicol in Methanol (GBW(E)082557)

Table 5

Result of short-term stability study.

Time/dayValue/(mg/L)
Condition/20°CCondition/40°C

0100.7 100.7
2100.2 99.8
4100.0 96.4
699.4 93.3
899.9 92.4

Mean99.8 96.6

−0.119−1.153
100.5101.1
0.10530.7423
0.05130.1362
3.183.18
Conclusion , stable , instable