Hach StablCal Reference Suspension IV, 30 NTU, 100 mL

Hach StablCal Reference Suspension IV is a certified, ready-to-use stabilized formazin suspension with a nominal turbidity of 30 NTU. It is intended for determining the clarity, lucidity or opalescence of liquids according to applicable pharmacopoeial procedures. The suspension is supplied in a 100 mL bottle and remains stable for up to two years.