Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Analysis precision for ractopamine and salbutamol in pig hair.
| Spiked concentration (ppb) | Intra-day assaya RSD (%) |
Inter-day assayb RSD (%) |
||
|---|---|---|---|---|
|
|
|
|||
| Ractopamine | Salbutamol | Ractopamine | Salbutamol | |
| 100 | 4.1 | 5.4 | 7.3 | 5.5 |
| 250 | 2.4 | 6.6 | 6.0 | 6.5 |
| 500 | 4.7 | 4.3 | 3.4 | 8.2 |
Each sample was measured 5 times in the same day (n = 5).
Each sample was measured 3 times in 5 different days (n = 15).
