Portland cement clinker

Certified for the analytes listed below.
Alite (Ca₃SiO₅), Belite (Ca₂SiO₄), Aluminate , Ferrite (Mfe₂O₄)

Reference/Informational value is provided for the following analytes.
(XRF and LOI):
Silicon dioxide (SiO₂), Aluminum Oxide (Ai₂O₃), Ferric Oxide (Fe₂O₃), Calcium oxide (CaO), Magnesium oxide (MgO), Sulphur Trioxide (SiO₃), Sodium oxide (Na₂O), Potassium oxide (K₂O), Titanium Dioxide (TiO₂), Phosphorus pentoxide (P₂O₅), Manganese Oxide (Mn₂O₃), Strontium oxide (SrO), Free lime (CaO)
(ASTM C 150-07):
Alite (Ca₃SiO₅), Belite (Ca₂SiO₄), Aluminate , Ferrite (Mfe₂O₄)

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

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