229.5 mg/L = 229.5 ppm
| mg/L | ppm |
|---|---|
| 214.5 mg/L | 214.5 |
| 219.5 mg/L | 219.5 |
| 224.5 mg/L | 224.5 |
| 229.5 | 229.5 |
| 234.5 mg/L | 234.5 |
| 239.5 mg/L | 239.5 |
| 244.5 mg/L | 244.5 |
229.5 mg/L = 229.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm