ASTM D5501

Atom Scientific supplies ASTM Method D5501 Certified Reference Materials (CRMs) from CPAchem—ideal for accurate ethanol and methanol measurement in fuel samples via gas chromatography.

Our Range Includes...

Multi-level Calibration Standards: Seven 3-component (methanol, ethanol, n‑heptane) mixtures in iso-octane, each varying ethanol/methanol concentrations to suit different calibration points. 

Convenient Set Option: All levels available individually or as a 5×1 mL set for streamlined calibration workflows.

ISO-Certified Quality: Accredited to ISO 17034 and ISO 17025, manufactured under ISO 9001 standards, with Certificates of Analysis, MSDS, and a 24-month refrigerated shelf life.