EPA Methods Standards

Acetonitrile, for HPLC-MS

CAS: 75-05-8 Molecular Formula: C2H3N MDL Number: 1878 InChI Key: WEVYAHXRMPXWCK-UHFFFAOYSA-N PubChem CID: 6342 ChEBI: CHEBI:38472 IUPAC Name: acetonitrile SMILES: CC#N

Acrolein and Acrylonitrile in Methanol Purge and Trap, SPEX CertiPrep™

EPA Method 556 Carbonyl Mixture 457 1000 μg/mL in Acetonitrile, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

EPA Method 515.3 Herbicide Mixture 405 10-100 μg/mL in Acetone, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

EPA 525.2, HJ 867-2017 Labelled PAH Mixture 158 2000 μg/mL in Dichloromethane, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

EPA Method 8141 Surrogate Standard Mixture 430 1000 μg/mL in Acetone, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

EPA Method 8270 Appendix IX Mixture 1 with Phentermine 2000 μg/mL in Dichloromethane, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

EPA Method 1664, O&G Standard, 40mg Total of n-Hexane Extractable Material, 20 x 5 mL, PFA Tube, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

EPA Method 521 Nitrosamines Mixture 338 1000 μg/mL in Dichloromethane, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

EPA Method 524.3 0055 Internal Standard Mixture 2000 μg/mL in Methanol, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

Internal Standard, 2,4,5,6-Tetrachloro-m-xylene, SPEX CertiPrep™

EPA Method 625 Mixture 247 1000-2000 μg/mL in Dichloromethane, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

EPA Method 8270 Appendix IX Mixture 2 1000 μg/mL in Dichloromethane, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

EPA Method 8270 Calibration Mixture 500-1000 μg/mL in Dichloromethane, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

EPA Method 8327 PFAS Mixture 10 μg/mL in Methanol:Water, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality