697.5 mg/L = 697.5 ppm
| mg/L | ppm |
|---|---|
| 682.5 mg/L | 682.5 |
| 687.5 mg/L | 687.5 |
| 692.5 mg/L | 692.5 |
| 697.5 | 697.5 |
| 702.5 mg/L | 702.5 |
| 707.5 mg/L | 707.5 |
| 712.5 mg/L | 712.5 |
697.5 mg/L = 697.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm