Phosphate rock

Features and Benefits
NIST certified values for constituents are provided and are expressed in concentration.
Application
Phosphate rock Standard Reference Material (SRM) is intended for validating analytical methods and calibrating instruments used in the analysis of phosphate rock, fertilizers, and similar materials.
General description
A single unit of SRM694 consists of 90 g of <150 µm (100 mesh) powdered material. For more information, please refer to the COA and SDS. SRM 694_cert SRM 694_SDS Other Notes Certified for the analytes listed below. Aluminium oxide (Al2O3), Calcium oxide (CaO), Cadmium oxide (CdO), Flurine (F), Iron oxide (Fe2O3), Potassium oxide (K2O), ,Magnesium oxide (MgO), Manganese oxide (MnO), Sodium oxide (Na2O), Phosphorus pentoxide (P2O5), Silicon dioxide (SiO2), Uranium (U), Vanadium pentoxide (V2O5) Reference/Informational value is provided for the following analytes. Chromiun oxide (Cr2O3), Titanium dioxide (TiO2), Zinc oxide (ZnO) See certificate for values and more details at nist.gov/SRM. Legal Information NIST is a registered trademark of National Institute of Standards and Technology SRM is a registered trademark of National Institute of Standards and Technology