磷矿石

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

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.

NIST certified values for constituents are provided and are expressed in concentration.

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.

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

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