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™

EPA Method 533 PFAS Mixture 10 μg/mL in Methanol:Water, Dr. Ehrenstorfer

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Tuning Solution, SPEX CertiPrep™

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

Dr. Ehrenstorfer EPA Method 533 Isotope Dilution Standard 0.5 to 2 μg/mL in Methanol:Water

Certified reference materials available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality.

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

Dr. Ehrenstorfer EPA Method 537.1 Surrogate Primary Dilution Standard 1 to 4 μg/mL in Methanol:Water

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EPA Method 515.3 Independent Check Standard Mixture 407 10-100 μg/mL in Methyl tert Butyl Ether, Dr. Ehrenstorfer

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EPA Method 610 Additions PAH Mixture 446 1000 μg/mL in Dichloromethane, Dr. Ehrenstorfer

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EPA Method 1631, sample smart Sampling Kit, 12/cs, Dr. Ehrenstorfer

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EPA Method 8260 Internal Standard Mixture 2500 μg/mL in Methanol, Dr. Ehrenstorfer

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EPA Method 515.3 Laboratory Performance Check Mixture 406 12.5-25 μg/mL in Methyl tert Butyl Ether, Dr. Ehrenstorfer

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EPA Method 608.3 DCB/TCMX Surrogate Mixture 200 μg/mL in Acetone, Dr. Ehrenstorfer

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EPA Method 525.2 PAH Mixture 386 500 μg/mL in Acetone, Dr. Ehrenstorfer

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EPA Method 5035, High Level Amber Vial, P/T MeOH, Tared, 5 mL, 72/cs, Dr. Ehrenstorfer

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