General description

This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of phosphorus. A unit of SRM 3139a consists of five 10 mL sealed borosilicate glass ampoules of anacidified aqueous solution prepared gravimetrically to contain a known mass fraction of phosphorus. The solution contains nitric acid at a volume fraction of approximately 0.8 %. For more information, please refer to the COA and SDS.SRM 3139A_cert SRM 3139A _SDS

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