Conductivity standard solutions for laboratory and field analyses
Natural Water Standard Solution, 40% sodium sulfate/40% sodium bicarbonate/20% sodium chloride. TDS: 30 ppm ±0.3 ppm, Conductivity: 46.7 µS/cm ±0.5 µS/cm at 25°C. 500 mL bottle.
| Concentration | 30 ppm ±0.3 ppm |
| Concentration 2 | 46.7 µS/cm at 25°C ±0.5 µS/cm at 25°C |
| Description | TDS/Conductivity calibration solution |
| Formula | Na2SO4, Na2CO3, NaCl |
| NIST Traceable | Yes |
| Package Type | Bottle |
| Parameter | TDS |
| Platform | Solution |
| Quantity | 500 mL |
| Special Remarks | Observed shelf life after opening, following recommended storage and use: 3 months |
| Storage Conditions | 10 – 25 °C (protect from light) |

Tiếng Việt