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.
Stability of analytical solutions: dibenzofulvene‐piperidine adduct concentration of 15.187 · 10−5 mol l−1, determination of the molar absorption coefficient after storage at room temperature
| Time [h] | Molar absorption coefficient [l mol−1 cm−1] | Absolute deviation [l mol−1 cm−1] to 0 h | Relative deviation [%] to 0 h |
|---|---|---|---|
| 0.0 | 6108.4 | – | – |
| 0.5 | 6121.6 | 13.2 | 0.2 |
| 1.0 | 6148.0 | 39.5 | 0.6 |
| 1.5 | 6163.1 | 54.7 | 0.9 |
| 2.0 | 6190.1 | 81.7 | 1.3 |
| 2.5 | 6123.6 | 15.1 | 0.2 |
| 3.0 | 6103.2 | 5.3 | 0.1 |
| 3.5 | 6112.4 | 4.0 | 0.1 |
| 4.0 | 6064.3 | 44.1 | 0.7 |
