Merck, NIST691, Iron oxide, reduced

General description
This Standard Reference Material (SRM) is intended for use in evaluating chemical methods and in calibrations associated with optical emission and x-ray spectrometric methods of analysis. SRM is a finely powdered material and must be kept in a tightly sealed bottle when not in use. For more information,please refer to the COA and SDS.

SRM 691_cert

SRM 691_SDS
Other Notes
Certified for the analytes listed below.
Aluminum Oxide (Al₂O₃), Calcium Oxide (CaO), Chromium (Cr), Cobalt (Co), Copper (Cu), Iron (Total Fe), Magnesium Oxide (MgO), Manganese(II) Oxide (MnO), Phosphorus (P), Potassium (K), Silicon Dioxide (SiO2), Sodium Oxide (Na₂O), Titanium Dioxide (TiO₂), Vanadium (V)

Reference/Informational value is provided for the following analytes.
Total cvarbon, Metallic Iron, Nickel (Ni), Sulfur (S), Tungsten (W), Zirconium (Zr), Arsenic (As), Cadmium (Cd), Lead (Pb), Molybdenum (Mo), Nitrogen (N), Tin (Sn), Zinc (Zn)

See certificate for values and more details at nist.gov/SRM.
Legal Information
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SRM is a registered trademark of National Institute of Standards and Technology