Reproducibility of Measurements Made from Different Syringes at Three Different Concentration Levels (Methylene Blue)
| Concentration (mg/mL) | Fluorescence Intensity (relative fluorescence units) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| #1 | #2 | #3 | #4 | #5 | #6 | Average | SD | RSD | |
| 1 | 712.7 | 688.5 | 685.9 | 695.7 | 715.9 | 683.1 | 697.0 | 14.1 | 2.0 |
| 0.1 | 55.8 | 58.1 | 55.7 | 56.5 | 55.9 | 59.4 | 56.9 | 1.5 | 2.7 |
| 0.05 | 48.7 | 46.2 | 49.4 | 48.1 | 46.1 | 49.1 | 47.9 | 1.4 | 3.0 |
*Instrument parameters: PMT voltage: 600 V; excitation slit: 5; emission slit: 5; with syringe sample holder.