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301.3 - Electrophoretic Mobility, E (suspension form)

SRM 1980 is intended for use in the calibration and evaluation of equipment used to measure electrophoretic mobility. It consists of a goethite suspension saturated with phosphate in a sodium perchlorate electrolyte solution.

PLEASE NOTE: The tables are presented to facilitate comparisons among a family of materials to help customers select the best SRM for their needs. For specific values and uncertainties, the certificate is the only official source.


- Certified values are normal font
- Non-certified or reference values are italicized
- Non-certified values in parentheses are for information only


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  SRM Description Unit Size     Property Certified
Detail Certificate MSDS 1980
Now Selling
Positive Electrophoretic Mobility (+µE) Standard 40 mL   E,  2.53 µm • cm/V • s
Detail Certificate MSDS 1992
Now Selling
Zeta Potential - Colloidal Silica (Nominal Mass Fraction 0.15 %) 4 x 5 mL  

Mean electrophoretic mobility,
-4.5 x 10-8 m2 V-1 s-1
Mean zeta potential, -58 mV

 

Detail Certificate MSDS 1993
Now Selling
Zeta Potential - Colloidal Silica (Nominal Mass Fraction 2.2 %) 2 x 25 mL   Mean electrophoretic mobility,
-4.3 x 10-8 m2 V-1 s-1
Mean zeta potential, -56 mV