Oakton 00654-01 Buffer Solution, Ph, 1.68, 1 Pt por | Jul 26, 2026Buffer – pH 1.68, Concentration pH 1.68, CAS Number 6100-20-5, 7732-18-5, Chemical Grade ACS, Chemical Family Type Solution, Shelf Life 12 mo, Standards ISO 17025. Buffer Solution. Light Industrial. & Recepticles.