500 ng/mL Spiked Sample Stability Results. Sample Stored in Amber Autosampler Vial on the Benchtop
| Compound | Initial Concentration | Day 1 Concentration | % Deviation of Initial Value | Day 2 Concentration | % of Initial Value | Day 3 Concentration | % of Initial Value |
|---|---|---|---|---|---|---|---|
| (ng/mL) | (ng/mL) | (ng/mL) | (ng/mL) | ||||
| N-Nitrosodimethylamine | 136.1 | 141.9 | 104.3 | 142.2 | 104.5 | 148.2 | 108.9 |
| N-Nitrosodiethylamine | 293.1 | 299.6 | 102.2 | 314.0 | 107.1 | 316.7 | 108.1 |
| N-Nitrosomorpholine | 278.1 | 273.0 | 98.2 | 283.6 | 102.0 | 298.7 | 107.4 |
| N-Nitrosopyrrolidine | 292.5 | 294.8 | 100.8 | 313.5 | 107.2 | 318.4 | 108.9 |
| N-Nitrosopiperidine | 354.9 | 351.1 | 98.9 | 366.4 | 103.2 | 383.9 | 108.2 |
| N-Nitrosodi-n-butylamine | 381.8 | 373.4 | 97.8 | 406.3 | 106.4 | 437.5 | 114.6 |