波特兰水泥

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

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.

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.

NIST is a registered trademark of National Institute of Standards and Technology

SRM is a registered trademark of National Institute of Standards and Technology