120.5 mg/L = 120.5 ppm
| mg/L | ppm |
|---|---|
| 105.5 mg/L | 105.5 |
| 110.5 mg/L | 110.5 |
| 115.5 mg/L | 115.5 |
| 120.5 | 120.5 |
| 125.5 mg/L | 125.5 |
| 130.5 mg/L | 130.5 |
| 135.5 mg/L | 135.5 |
120.5 mg/L = 120.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm