This Standard Reference Material (SRM) is in the form of disks approxiamtely 32 mm (1 1/4 in.) in diameter and 19 mm (3/4 in.) thick and is intended for use in optical emission and x-ray fluorescence spectrometric methods of analysis. For more information, please refer ot the COA and SDS.SRM 1286_cert SRM 1286 _SDS
Legal Information: SRM is a registered trademark of National Institute of Standards and Technology