General description

This Standard Reference Material (SRM) is intended primarily for use in evaluating chemical and instrumental methods of analysis of limestone and related materials. SRM 1d is composed of argillaceous limestone quarried in Putnam County, Indiana, USA. A unit of SRM 1d consists of a single bottle containing approximately 70 g of material of which 97 % passes a 75 µm (No. 200) sieve. For more information, please refer to the COA and SDS.SRM 1D_cert SRM 1D _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