Start of the Registration for our New Proficiency Tests / Round Robins

RV-2025-02: Cement

The new round robin includes the analysis of a cement. Accredited and non-accredited laboratories with sufficient experience in X-ray fluorescence analysis (XRF) have the opportunity to participate. We recommend XRF as the preferred analysis method.

Parameters to determine: Al2O3, CaO, Cr2O3, Fe2O3, K2O, MgO, Mn2O3, Na2O, P2O5, SiO2, SO3, SrO, TiO2, ZnO, Cl, LOI

RV-2024-04: Iron Ore Concentrate

The new round robin includes the analysis of an iron ore concentrate. Accredited and non-accredited laboratories with sufficient experience in X-ray fluorescence analysis (XRF) have the opportunity to participate. We recommend XRF as the preferred analysis method.

Parameters to be determined: Al2O3, CaO, Co3O4, Fe2O3, K2O, MgO, Mn3O4, NiO, P2O5, SiO2, TiO2, V2O5, LOI

Additional: Fe2+

Additional trace elements: Na2O, SO3, Cr2O3, CuO, ZnO