480.5 mg/L = 480.5 ppm
| mg/L | ppm |
|---|---|
| 465.5 mg/L | 465.5 |
| 470.5 mg/L | 470.5 |
| 475.5 mg/L | 475.5 |
| 480.5 | 480.5 |
| 485.5 mg/L | 485.5 |
| 490.5 mg/L | 490.5 |
| 495.5 mg/L | 495.5 |
480.5 mg/L = 480.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm