(Certified from an accredited laboratory. Fulfils USP chapter 625 requirements)
- Stable for at least 1 year (1.3 μS/cm), up to 3 years
- Certified standards with traceable calibration from DFM
- Expiration date on every bottle
- First class certificate with traceability to international standards
- Bottles can remain open for up to 60 minutes and retain the certified value.
- Available standards (1.3, 5,15, 84,100, 147, 1413, 12288 μS/cm)