Particle Size as Affected by pH-Adjusted Lidocaine
| Primary peak | Secondary peak | Tertiary peak | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Sample name | d.nm* | ±SD† | % | d.nm | ±SD | % | d.nm | ±SD | % |
| Filtered sulfur colloid | 10.55 | 0.03536 | 63.2 | 343.5 | 53.53 | 27.1 | 60.84 | 29.94 | 7.6 |
| 4.2% sodium bicarbonate with 2% lidocaine HCl | 159.6 | 73.75 | 69.2 | 44.08 | 9.482 | 20 | 9.04 | 0.3309 | 10.8 |
| 8.4% sodium bicarbonate with 2% lidocaine HCl | 36.13 | 32.66 | 57.2 | 178.1 | 6.152 | 26 | 7.318 | 2.656 | 16.9 |
| Unfiltered sulfur colloid | 466.7 | 0 | 100 | 0 | 0 | 0 | 0 | 0 | 0 |