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.
| Conc. (ng/spot) | Repeatability (Intraday precision) |
Intermediate precision (Interday) |
|||||
| Area±SD | Standard error | % RSD | Area±SD | Standard error | % RSD | ||
| 300 | 5794.16±61.50 | 25.15 | 1.06 | 5794.00±69.69 | 28.45 | 1.20 | |
| 400 | 7352.50±71.15 | 29.05 | 0.96 | 7331.66±56.41 | 23.06 | 0.76 | |
| 500 | 8661.16±51.41 | 20.99 | 0.59 | 8700.05±87.80 | 35.85 | 1.00 | |
Conc.: Concentration.
