Merck, NIST1980, Positive electrophoretic mobility standard

General description
Each unit of SRM 1980 contains a single 60 cm³ polyethylene bottle filled with 40 cm³ of suspension, which should be diluted before analysis. The suspension contains a 500 mg/L goethite (α-FeOOH) saturated with 100 μmol/g phosphate in a 5 × 10⁻² mol/L sodium perchlorate electrolyte solution, with a pH of 2.5. For more information, please refer to the COA and SDS.

SRM 1980_cert

SRM 1980_SDS
Application
The Standard Reference Material (SRM) is primarily intended for use in evaluating equipment and validating methodologies for measuring electrophoretic mobility.
Features and Benefits
NIST certified value are metrologically traceable to the SI unit for meter, volt, and time and expressed as µm·cm/V·s).
Expiration details, instructions for storage and use are provided on the NIST certificate.

Other Notes
Please download a current certificate at nist.gov/SRM for current analytes and certified values.
Legal Information
NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology