Table 1 Intensity statistics of the main peaks (1280 cm−1, 1506 cm−1, and 1650 cm−1) of Rhodamine B collected from 20 spots randomly
I(1280) | I(1506) | I(1650) | |
---|---|---|---|
Arithmetic mean | 3026.94 | 3483.38 | 4576.80 |
Standard deviation (SD) | 662.25 | 831.80 | 836.64 |
Relative standard deviation (RSD) | 0.219 | 0.239 | 0.183 |