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

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 6020 Ca, Fe, K, Mg, Na @ 2000 mg/l, 100mls. Part of Kit # 4600432 , VHG™

VHG Labs offers ISO 17034 metallo-organic and aqueous inorganic certified reference materials for oil, fuel, and coolant analysis as well as a variety of certified standards for environmental, pharmaceutical, and industrial applications

EPA Method 8315 Mixture 453 1000 μg/mL in Acetonitrile, Dr. Ehrenstorfer

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EPA Method 505 Organochloride Pesticide Mixture 383 100 μg/mL in Toluene, Dr. Ehrenstorfer

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EPA Method 528 Phenol Calibration Mixture 389 2000 μg/mL in Dichloromethane, Dr. Ehrenstorfer

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EPA Method 625 Phenol Mixture 394 2000 μg/mL in Dichloromethane, Dr. Ehrenstorfer

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EPA Method 1631, Low Level Mercury Sampling Gloves, 100/bag, Dr. Ehrenstorfer

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EPA Method 525.3 Internal Standard Mixture 500 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 BNA Surrogate Mixture 594 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