413.5 mg/L = 413.5 ppm
| mg/L | ppm |
|---|---|
| 398.5 mg/L | 398.5 |
| 403.5 mg/L | 403.5 |
| 408.5 mg/L | 408.5 |
| 413.5 | 413.5 |
| 418.5 mg/L | 418.5 |
| 423.5 mg/L | 423.5 |
| 428.5 mg/L | 428.5 |
413.5 mg/L = 413.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm