Natural Water Standard Solution is required for calibration of conductivity instruments in laboratory and field analysis.
Natural Water Standard Solution (p/n 2974749) with concentration of 1417 µS/cm ± 14.2 µS/cm at 25°C is required for calibration of conductivity apparatus and other conductivity instruments. The solution has the following capacity: 500mL. The solution is NIST traceable. Natural Water Standard Solution is supplied in an airtight package to guarantee the shelf-life.
Storage conditions
The solution is required to be stored at the following temperature: 10 °C - 25 °C (protected from light rays). After opening, the solution has the expiration date of a maximum of 3 months.
| Brand | Hach |
| Parameter | TDS |
| Formula | Na₂SO₄, Na₂CO₃, NaCl |
| Concentration | 1000 ppm ± 10 ppm |
| Concentration (2) | 1417 µS/cm ± 14.2 µS/cm |
| NIST traceable | Yes |
| Quantity | 500ml |
| Storage conditions | 10 °C - 25 °C (protected from light) |
