Natural Water Standard Solution is required for conductivity verification in laboratory and field analysis.
Natural Water Standard Solution is required for calibration of the conductivity apparatus in laboratory and field analysis. The concentration value of the solution is 100 µS/cm ± 1 µS/cm. The volume of each bottle is 500 mL. Natural Water Standard Solution is NIST traceable providing simple and reliable testing results.
Storage conditions
The required storage conditions of the solution: 10 °C - 25 °C (protected from direct sunlight). The maximum shelf life after opening: 3 months.
| Brand | Hach |
| Parameter | TDS |
| Formula | Na₂SO₄, Na₂CO₃, NaCl |
| Concentration | 3000 ppm ± 30 ppm |
| Concentration (2) | 3960 µS/cm ± 39.6 µS/cm |
| NIST traceable | Yes |
| Quantity | 500ml |
| Storage conditions | 10 °C - 25 °C (protected from light) |
