Water hardness

Water hardness is determined by complexometric  titration with EDTA until the color change of a specific  indicator based on Eriochrome black modified and stabilized.

APPLICATION RANGE:
  • RAW WATERS
  • PURIFIED WATERS
  • HEATING CIRCUITS WATERS
  • DRINKING WATER

Quantity required: 50 mL
Sensitivity: 2.5 mg/l CaCO3
 

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