*Acetaldehyde-DNPH & Formaldehyde-DNPH, 1000 µg/mL in MeOH, 10 mL

This Certified Reference Material at a concentration of 1000 µg/mL in Methanol is composed of 2 analytes. It is supplied in a unit of 10 mL and should be stored in the freezer at less than -10 °C. Sonicate before use.