Conductivity standards, 25 ml sachets, 1413 µS/cm,

Conductivity standards, 25 ml sachets, 1413 µS/cm, with certificate of analysis The quantity of reagent contained in a sachet (25 ml) is sufficient for a single calibration. Traceable thanks to comparison with standard references from the National Institute of Standards and Technology (NIST) With certificate of analysis for documenting the quality, traceability and accuracy