Fluoride Standard Solution for Ion Selective Electrode (ISE) calibration.
Hach Standard Solution (p/n 23249) is required to conduct Ion Selective Electrode (ISE) verification for in-lab and field analysis. ISE Standard Solution has the concentration of 100 mg/L ± 2 mg/L F⁻. 500 mL is the capacity of each bottle. Fluoride Standard Solution is NIST traceable for quality control purposes. In order to preserve the shelf life of the solution, it is supplied in the sealed packaging.
Storage conditions
It is required to store the solution at the temperature from 10 °C to 25 °C. It is recommended to protected the solution from direct sunlight. ISE Standard Solution has a three-month shelf life after opening.
| Brand | Hach |
| Parameter | Fluoride |
| Concentration | 100 mg/L ± 2 mg/L F⁻ |
| NIST traceable | Yes |
| Quantity | 500ml |
| Storage conditions | 10 °C - 25 °C (protected from light) |
