Standards
Merck and BDH Prolabo offer a series of conductivity standards and potassium chloride solutions for calibration of your meters.
All Certipur® conductivity reference solutions from Merck are traceable to SRM from NIST and PTB. The sachets offer the advantage to use always fresh, ready-to-use solutions. There is no risk of contamination and no residues. A batch-specific certificate with traceability is included.