General description
This Standard Reference Material (SRM) is intended for use in the evaluation of analytical methods used for the classification of coal fly ash and for the determination of constituent elements in coal fly ash or materials of a similar matrix. A unit of SRM 2691 consists of three 10 g hermetically sealed glass vials of fly ash pulverized to less than
150 μm particle size and blended to a high degree of homogeneity. For more information, please refer to the SDS and COA.
SRM 2691_cert SRM 2691 _SDS
Other Notes
Certified for the analytes listed below.
Aluminum (Al), Calcium (Ca), Iron (Fe), Magnesium (Mg), Phosphorus (P), Potassium (K), Silicon (Si), Sodium (Na), Sulfur (S), Titanium (Ti), Mercury (Hg)
Reference/Informational value is provided for the following analytes.
Antimony (Sb), Arsenic (As), Barium (Ba), Beryllium (Be), Cobalt (Co), Chromium (Cr), Cesium (Cs), Europium (Eu), Hafnium (Hf), Lead (Pb), Manganese (Mn), Nickel (Ni), Scandium (Sc), Selenium (Se), Strontium (Sr), Thorium (Th), Zinc (Zn), Aluminum Oxide (Al2O3), Barium oxide (BaO), Ferric Oxide (Fe2O3), Potassium oxide (K2O), Magnesium oxide (MgO), Manganese oxide (MnO), Sodium oxide (Na2O), Silicon dioxide (SiO2), Strontium oxide (SrO), Titanium dioxide (TiO2)
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
- UPC:
- 12131707
- Condition:
- New
- HazmatClass:
- No
- MPN:
- NIST2691
akash.verma@cenmed.com
(732) 447-1115





