Each unit of SRM 1885b comprises five vials, each containing around ~5 g of Portland cement ground to pass through a 75 µm (No. 200) sieve, and each vial is sealed in a foil pouch.For more information, please refer to the COA and SDS.

SRM 1885B_cert

SRM 1885B_SDS

The Standard Reference Material (SRM) is a Type I-IIPortland cement primarily intended to evaluate the methods for analyzing thecements and materials of similar matrix.

Certified for the analytes listed below.
Silicon dioxide (SiO₂), Aluminum Oxide (Al₂O₃) , Ferric Oxide (Fe2O3), Calcium oxide (CaO), Magnesium oxide (MgO), Sulfur trioxide (SO₃), Sodium oxide (Na₂O), Potassium oxide (K₂O) , Titanium dioxide (TiO₂), Phosphorus pentoxide (P₂O₅), Zinc oxide (ZnO), Manganese(III) oxide (Mn₂O₃), Chromium(III) oxide (Cr₂O₃), Strontium oxide (SrO) , Barium oxide (BaO)

Reference/Informational value is provided for the following analytes.
Sulfide sulfur, Insoluble residue, Free CaO, Fluoride (F^-), Chlorine (Cl)

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