155.5 mg/L = 155.5 ppm
| mg/L | ppm |
|---|---|
| 140.5 mg/L | 140.5 |
| 145.5 mg/L | 145.5 |
| 150.5 mg/L | 150.5 |
| 155.5 | 155.5 |
| 160.5 mg/L | 160.5 |
| 165.5 mg/L | 165.5 |
| 170.5 mg/L | 170.5 |
155.5 mg/L = 155.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm