Turbidity standards AMCO Clear™ with the highest precision and long-term stability are N.I.S.T. traceable, lot certified and not hazardous to your health.
Developed for use in any turbidimeter. Hach™ Stablcal™ Turbidity Standards Calibration Kit, Sealed Vials are true Formazin dilutions in individual sealed vials of <0.1, 20, 200, 1000, 4000 NTU and 7500 NTU (2662105 only) levels.