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

Decachlorobiphenyl, SPEX CertiPrep™

Phthalates in Polyethylene Standard, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

Polynuclear Aromatic Hydrocarbons Combination Mix, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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

Interference Check Standards without Mercury For Environmental Analysis, Set of 3, SPEX CertiPrep™

Interference Check Standards Multi-Element Set without Mercury for AA & ICP, 125 mL, SPEX CertiPrep™. ISO Guide 34 Certified, NIST Traceable Certified Reference Materials. Supplied with comprehensive Certificate of Analysis.

EPA Method 5035, Low Level Clear Vial, Organic-Free Water, Stir Bar, Tared, 5 mL, 72/cs, Dr. Ehrenstorfer

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EPA Method 8270 Acid Surrogate Mixture 2000 μg/mL in Methanol, Dr. Ehrenstorfer

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

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EPA Method 1631, sample smart Trip Blank, 12/cs, Dr. Ehrenstorfer

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Interference Check Standards For Environmental Analysis, Set of 3, SPEX CertiPrep™

Interference Check Standards Multi-Element Set with Mercury for AA & ICP, 125 mL, SPEX CertiPrep™. ISO Guide 34 Certified, NIST Traceable Certified Reference Materials. Supplied with comprehensive Certificate of Analysis.

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

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EPA Method 515.2 Herbicide Mixture 402 100-1000 μg/mL in Methanol, Dr. Ehrenstorfer

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EPA Method 8270 Internal Standard Mixture 4000 μg/mL in Dichloromethane, Dr. Ehrenstorfer

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EPA Method 8020 Surrogate Standard Mixture 415 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