Merck, NIST634A, Portland cement

General description
A unit of SRM 634a comprises a single bottle containing ~ 100 g of portland cement, finely ground to pass through a 75 μm (No. 200) sieve and is securely sealed in a foil pouch. For more information, please refer to the COA and COA.

SRM 634A_cert

SRM 634A_SDS
Application
The Standard Reference Material (SRM) is primarily intended for the evaluation of chemical and instrumental methods used in the analysis of cement and materials of similar matrix.
Features and Benefits
NIST certified values for elements in cement are provided and the values are metrologically traceable to SI unit of mass, expressed as a percentage.
Reference values and information values for constituents in SRM634a are reported as mass fraction on an received basis.
Accompanied with maintenance and expiration of SRM certification and instructions for use.

Other Notes
Certified for the analytes listed below.
Silicon dioxide (SiO2), Aluminium oxide (Al2O3), Ferric oxide (Fe2O3), Calcium oxide (CaO), Magnesium oxide (MgO), Sulphur Trioxide (SO3), Potassium oxide (K2O), Titanium dioxide (TiO2), Phosphorus pentoxide (P2O5)

Reference/Informational value is provided for the following analytes.
Sodium oxide (Na2O), Chromium(III) oxide (Cr2O3), Zinc oxide (ZnO), Manganese(III) oxide (Mn2O3), Strontium oxide (SrO), Free Calcium oxide (CaO)

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