Merck, NIST1889B, Portland Cement (Blended with Limestone)

General description
One unit of SRM 1889b contains five vials, with each vials containing ~ 5 g of cement in a foil pouch, which is ground to pass through a sieve of 75 µm (No. 200).

SRM 1889B_cert

SRM 1889B_SDS
Application
The SRM is a Portland cement blended with limestone, intended to evaluate the methods used to analyze the cements and similar matrix materials.
Features and Benefits
Accompanied with certificate documenting NIST- certified mass fraction values, and coverage factor for the constituents in Portland cement.
The reference and information values of constituents are reported as mass fraction.
The certified value is metrologically traceable to the SI unit of mass fraction, expressed as a percentage.
The NIST certificate is provided with expiration certificate, use, storage, handling, and maintenance instructions.

Other Notes
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), Manganese(III) oxide (Mn2O3), Chromium(III) oxide (Cr2O3), Zinc oxide (ZnO), Strontium oxide (SrO), Chlorine (Cl)

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

See certificate for values and more details at nist.gov/SRM.
Legal Information
SRM is a registered trademark of National Institute of Standards and Technology
NIST is a registered trademark of National Institute of Standards and Technology