TN400-S1 Standard Calibration Solution Set (0.02 NTU,20.0 NTU,100 NTU,800 NTU)

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AMCO Clear®  turbidity standard solutions (0.02 NTU, 20.0 NTU, 100 NTU, 800 NTU).

AMCO Clear® is an EPA approved primary standard for calibration of turbidity sensors that is safe, non-toxic and disposable. It is NIST traceable to particle size/distribution and optical density, and its inherent stability means it does not settle from suspension. 

The standards have a guaranteed one-year shelf life even if you've opened the bottle and happened not to have recapped it tightly.

The convenient submicron polymer suspensions are non-toxic primary calibration standards approved by the US EPA for drinking water analysis for turbidity.

AMCO Clear® is the unique, non-toxic low-level turbidity standard that can reliably read from 0.02 NTU to 10,000 NTU every time.