General description

This Standard Reference Material (SRM) is intended primarily for use in the evaluation of methods used for the analysis of sludges and other materials of a similar matrix. SRM 2781 is a dried, pulverized domestic sludge. A unit of SRM 2781 consists of a bottle containing 40 g of dried, pulverized domestic sludge. For moreinformation, please refer to the SDS and COA.

SRM 2781_cert SRM 2781 _SDS

Other Notes

Certified for the analytes listed below.
Arsenic (As), Nitrogen (N), Cadmium (Cd), Chromium (Cr), Copper (Cu), Lead (Pb), Mercury (Hg), Molybdenum (Mo), Nickel (Ni), Selenium (Se), Silver (Ag), Zinc (Zn)

Reference/Informational value is provided for the following analytes.
Beryllium (Be), Aluminum (Al), Calcium (Ca), Iron (Fe), Magnesium (Mg), Phosphorus (P), Potassium (K), Silicon (Si), Sodium (Na), Titanium (Ti), 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexa-methyl-cyclopenta-(γ)-2-benzopyran (HHCB), 7-Acetyl-1,1,3,4,4,6-hexamethyltetralin (AHTN), 5-Acetyl-1,1,2,6-tetramethyl-3-isopropylindan (ATII), 4-Acetyl-1,1-dimethyl-6-tert-butylindan (ADBI), 6-Acetyl-1,1,2,3,3,5-hexamethylindan (AHMI), Perfluorohexanoic Acid (PFHxA), Perfluoroheptanoic Acid (PFHpA), Perfluorooctanoic Acid (PFOA), Perfluorohexanesulfonic Acid (PFHxS), Perfluorooctanesulfonic Acid (PFOS), Perfluorooctane Sulfonamide (PFOSA), γ-hexabromocyclododecane (γ-HBCD), γ-hexabromocyclododecane (γ-HBCD), γ-hexabromocyclododecane (γ-HBCD), Aluminum (Al), Barium (Ba), Cadmium (Cd), Calcium (Ca), Chromium (Cr), Copper (Cu), Iron (Fe), Lead (Pb), Magnesium (Mg), Manganese (Mn), Nickel (Ni), Silver (Ag), Vanadium (V), Zinc (Zn), Perfluorononanoic Acid (PFNA), Perfluorodecanoic Acid (PFDA)

See certificate for values and more details at nist.gov/SRM.