AMCO Clear® Turbidity Standard Solutions for Apera Instruments Portable White Light Turbidimeters (TN500 and TN420)
AMCO Clear® is an EPA approved primary standard for turbidity sensor calibration that is safe, non-toxic and disposable. It is easy to use, requires no dilution or resuspension, and is available in a wide range of values.
The standards have a guaranteed shelf life of one year, even if you have opened the bottle and not tightly closed again.
The convenient submicron polymer suspensions are non-toxic primary calibration standards approved by the US EPA for drinking water analysis for turbidity.