This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of cesium. A unit of SRM 3111a consists of five 10 mL sealed borosilicate glass ampoules of an acidified aqueous solution prepared gravimetrically to contain a known mass fraction of cesium. The solution contains nitric acid at a volume fraction of approximately 1 %, equivalent to an amount-of-substance concentration (molarity) of approximately 0.16 mol/L. For moe information, please refer to the SDS and the COA.

SRM 3111A_cert

SRM 3111A_SDS

Example analytes are listed below as a reference. Please download a current certificate at nist.gov/SRM for current analytes and certified values.
Cesium (Cs)

See certificate for values and more details at nist.gov/SRM.

NIST is a registered trademark of National Institute of Standards and Technology

SRM is a registered trademark of National Institute of Standards and Technology