ASTM D5769

Atom Scientific supplies certified CRMs for ASTM Method D5769 from CPAchem — essential for accurate benzene, toluene, and total aromatics analysis in gasoline via GC/MS.

Our Range Includes…

Internal‑Standard Mixture (3 components): Benzene‑d₆, Ethylbenzene‑d₁₀ & Naphthalene‑d₈ for calibration and recovery checks (1 mL ampoule, 40/40/20 % w/w).

Selectivity Check Standard: Single-component n‑Dodecane solution (ISO D5580‑02) to verify GC selectivity.

Quality‑Control Reference Material (without internal standard): 14‑component mix (aromatics + n‑alkanes) in 10×2 mL vials.