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.
*Store at room temperature. Never freeze.
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.
*Store at room temperature. Never freeze.
Compatibility